The number 13 13 in the suffix stands for "unifying the world", which means that smooth things will happen again and again, while the number 3 stands for "endless life" and stands for prosperity and development, so this suffix gives people a feeling of good luck and smoothness.
The number 1 in the suffix 31still stands for "unified world", while the number 3 stands for "full of vitality", which is more in line with young people's pursuit of passion and vitality, so this suffix gives people a feeling of being young and full of vitality.
Generally speaking, the choice of mobile phone number depends not only on the meaning of digital combination, but also on personal preference and personality. If you like the traditional conservative style, then the suffix 13 13 may be more suitable for you. And if you prefer a fashionable and energetic image, then the suffix 3 13 1 may be more in line with your needs. No matter which suffix you choose, it will not have any impact on the function of the mobile phone. The quality of a mobile phone mainly depends on its hardware and software.