231310021232 has 10 divisors (see below), whose sum is σ = 448163166168. Its totient is φ = 115655010608.

The previous prime is 231310021231. The next prime is 231310021237. The reversal of 231310021232 is 232120013132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231310021231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7228438148 + ... + 7228438179.

Almost surely, 2^231310021232 is an apocalyptic number.

It is an amenable number.

231310021232 is a deficient number, since it is larger than the sum of its proper divisors (216853144936).

231310021232 is a wasteful number, since it uses less digits than its factorization.

231310021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14456876335 (or 14456876329 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231310021232 its reverse (232120013132), we get a palindrome (463430034364).

It can be divided in two parts, 2313100 and 21232, that added together give a palindrome (2334332).

The spelling of 231310021232 in words is "two hundred thirty-one billion, three hundred ten million, twenty-one thousand, two hundred thirty-two".