231112101330031 has 16 divisors (see below), whose sum is σ = 234181293373440. Its totient is φ = 228046521811680.

The previous prime is 231112101329849. The next prime is 231112101330037. The reversal of 231112101330031 is 130033101211132.

It is a cyclic number.

It is not a de Polignac number, because 231112101330031 - 2¹¹ = 231112101327983 is a prime.

It is a super-2 number, since 2×231112101330031² (a number of 30 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 = 231112101329984 and 231112101330011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231112101330037) 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, 2130777141 + ... + 2130885601.

It is an arithmetic number, because the mean of its divisors is an integer number (14636330835840).

Almost surely, 2^{231112101330031} is an apocalyptic number.

231112101330031 is a deficient number, since it is larger than the sum of its proper divisors (3069192043409).

231112101330031 is a wasteful number, since it uses less digits than its factorization.

231112101330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124854.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 231112101330031 its reverse (130033101211132), we get a palindrome (361145202541163).

The spelling of 231112101330031 in words is "two hundred thirty-one trillion, one hundred twelve billion, one hundred one million, three hundred thirty thousand, thirty-one".