111013232031 has 48 divisors (see below), whose sum is σ = 179037564160. Its totient is φ = 65822906880.

The previous prime is 111013232027. The next prime is 111013232041. The reversal of 111013232031 is 130232310111.

It is not a de Polignac number, because 111013232031 - 2² = 111013232027 is a prime.

It is a super-2 number, since 2×111013232031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111013231995 and 111013232013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111013232041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 763755 + ... + 897411.

Almost surely, 2^111013232031 is an apocalyptic number.

111013232031 is a deficient number, since it is larger than the sum of its proper divisors (68024332129).

111013232031 is a wasteful number, since it uses less digits than its factorization.

111013232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133936 (or 133933 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111013232031 its reverse (130232310111), we get a palindrome (241245542142).

The spelling of 111013232031 in words is "one hundred eleven billion, thirteen million, two hundred thirty-two thousand, thirty-one".