231012232331 has 8 divisors (see below), whose sum is σ = 250567070544. Its totient is φ = 212120270080.

The previous prime is 231012232327. The next prime is 231012232337. The reversal of 231012232331 is 133232210132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231012232331 - 2² = 231012232327 is a prime.

It is a super-2 number, since 2×231012232331² (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 = 231012232297 and 231012232306.

It is not an unprimeable number, because it can be changed into a prime (231012232337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165718265 + ... + 165719658.

It is an arithmetic number, because the mean of its divisors is an integer number (31320883818).

Almost surely, 2^231012232331 is an apocalyptic number.

231012232331 is a deficient number, since it is larger than the sum of its proper divisors (19554838213).

231012232331 is a wasteful number, since it uses less digits than its factorization.

231012232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331437981.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 231012232331 its reverse (133232210132), we get a palindrome (364244442463).

The spelling of 231012232331 in words is "two hundred thirty-one billion, twelve million, two hundred thirty-two thousand, three hundred thirty-one".