31113111112022 has 32 divisors (see below), whose sum is σ = 46865443968000. Its totient is φ = 15491460879648.

The previous prime is 31113111112009. The next prime is 31113111112037. The reversal of 31113111112022 is 22021111131113.

It is a junction number, because it is equal to n+sod(n) for n = 31113111111985 and 31113111112003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1222650503 + ... + 1222675949.

It is an arithmetic number, because the mean of its divisors is an integer number (1464545124000).

Almost surely, 2^{31113111112022} is an apocalyptic number.

31113111112022 is a deficient number, since it is larger than the sum of its proper divisors (15752332855978).

31113111112022 is a wasteful number, since it uses less digits than its factorization.

31113111112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28580.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 31113111112022 its reverse (22021111131113), we get a palindrome (53134222243135).

The spelling of 31113111112022 in words is "thirty-one trillion, one hundred thirteen billion, one hundred eleven million, one hundred twelve thousand, twenty-two".