31002113203102 has 16 divisors (see below), whose sum is σ = 48908994175872. Its totient is φ = 14717984355360.

The previous prime is 31002113203099. The next prime is 31002113203123. The reversal of 31002113203102 is 20130231120013.

It is a super-2 number, since 2×31002113203102² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31002113203102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4717299393 + ... + 4717305964.

It is an arithmetic number, because the mean of its divisors is an integer number (3056812135992).

Almost surely, 2^{31002113203102} is an apocalyptic number.

31002113203102 is a deficient number, since it is larger than the sum of its proper divisors (17906880972770).

31002113203102 is a wasteful number, since it uses less digits than its factorization.

31002113203102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9434605443.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31002113203102 its reverse (20130231120013), we get a palindrome (51132344323115).

The spelling of 31002113203102 in words is "thirty-one trillion, two billion, one hundred thirteen million, two hundred three thousand, one hundred two".