231100230031 has 16 divisors (see below), whose sum is σ = 260353705248. Its totient is φ = 203283561600.

The previous prime is 231100230013. The next prime is 231100230059. The reversal of 231100230031 is 130032001132.

It is not a de Polignac number, because 231100230031 - 2²⁹ = 230563359119 is a prime.

It is a super-2 number, since 2×231100230031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231100229987 and 231100230014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231100230731) 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, 1494880 + ... + 1642213.

It is an arithmetic number, because the mean of its divisors is an integer number (16272106578).

Almost surely, 2^231100230031 is an apocalyptic number.

231100230031 is a deficient number, since it is larger than the sum of its proper divisors (29253475217).

231100230031 is a wasteful number, since it uses less digits than its factorization.

231100230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137322.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 231100230031 its reverse (130032001132), we get a palindrome (361132231163).

The spelling of 231100230031 in words is "two hundred thirty-one billion, one hundred million, two hundred thirty thousand, thirty-one".