31113221102002 has 16 divisors (see below), whose sum is σ = 50421425850432. Its totient is φ = 14313774730320.

The previous prime is 31113221101987. The next prime is 31113221102021. The reversal of 31113221102002 is 20020112231113.

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, 1923886368 + ... + 1923902539.

It is an arithmetic number, because the mean of its divisors is an integer number (3151339115652).

Almost surely, 2^{31113221102002} is an apocalyptic number.

31113221102002 is a deficient number, since it is larger than the sum of its proper divisors (19308204748430).

31113221102002 is a wasteful number, since it uses less digits than its factorization.

31113221102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847789233.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31113221102002 its reverse (20020112231113), we get a palindrome (51133333333115).

The spelling of 31113221102002 in words is "thirty-one trillion, one hundred thirteen billion, two hundred twenty-one million, one hundred two thousand, two".