111023100131 has 16 divisors (see below), whose sum is σ = 114002114688. Its totient is φ = 108057369600.

The previous prime is 111023100101. The next prime is 111023100163. The reversal of 111023100131 is 131001320111.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-111023100131 is a prime.

It is a super-2 number, since 2×111023100131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111023100101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43657046 + ... + 43659588.

It is an arithmetic number, because the mean of its divisors is an integer number (7125132168).

Almost surely, 2^111023100131 is an apocalyptic number.

111023100131 is a deficient number, since it is larger than the sum of its proper divisors (2979014557).

111023100131 is a wasteful number, since it uses less digits than its factorization.

111023100131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4702.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111023100131 its reverse (131001320111), we get a palindrome (242024420242).

The spelling of 111023100131 in words is "one hundred eleven billion, twenty-three million, one hundred thousand, one hundred thirty-one".