231360530031 has 24 divisors (see below), whose sum is σ = 353887859520. Its totient is φ = 145150020096.

The previous prime is 231360530029. The next prime is 231360530069. The reversal of 231360530031 is 130035063132.

It is a happy number.

231360530031 is a `hidden beast` number, since 23 + 1 + 3 + 605 + 3 + 0 + 0 + 31 = 666.

It is not a de Polignac number, because 231360530031 - 2¹ = 231360530029 is a prime.

It is a super-2 number, since 2×231360530031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231360529977 and 231360530004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231360530021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1257715 + ... + 1429883.

It is an arithmetic number, because the mean of its divisors is an integer number (14745327480).

Almost surely, 2^231360530031 is an apocalyptic number.

231360530031 is a deficient number, since it is larger than the sum of its proper divisors (122527329489).

231360530031 is a wasteful number, since it uses less digits than its factorization.

231360530031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180975 (or 180972 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

Adding to 231360530031 its reverse (130035063132), we get a palindrome (361395593163).

The spelling of 231360530031 in words is "two hundred thirty-one billion, three hundred sixty million, five hundred thirty thousand, thirty-one".