31311001030102 has 96 divisors (see below), whose sum is σ = 52244082849024. Its totient is φ = 14044459968000.

The previous prime is 31311001030069. The next prime is 31311001030117. The reversal of 31311001030102 is 20103010011313.

It is a super-2 number, since 2×31311001030102² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5882206813 + ... + 5882212135.

It is an arithmetic number, because the mean of its divisors is an integer number (544209196344).

Almost surely, 2^{31311001030102} is an apocalyptic number.

31311001030102 is a deficient number, since it is larger than the sum of its proper divisors (20933081818922).

31311001030102 is a wasteful number, since it uses less digits than its factorization.

31311001030102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854 (or 6837 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31311001030102 its reverse (20103010011313), we get a palindrome (51414011041415).

The spelling of 31311001030102 in words is "thirty-one trillion, three hundred eleven billion, one million, thirty thousand, one hundred two".