231310023212 has 48 divisors (see below), whose sum is σ = 447297715200. Its totient is φ = 104236217280.

The previous prime is 231310023179. The next prime is 231310023239. The reversal of 231310023212 is 212320013132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693023 + ... + 971030.

It is an arithmetic number, because the mean of its divisors is an integer number (9318702400).

Almost surely, 2^231310023212 is an apocalyptic number.

It is an amenable number.

231310023212 is a deficient number, since it is larger than the sum of its proper divisors (215987691988).

231310023212 is a wasteful number, since it uses less digits than its factorization.

231310023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664166 (or 1664164 counting only the distinct ones).

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

Adding to 231310023212 its reverse (212320013132), we get a palindrome (443630036344).

The spelling of 231310023212 in words is "two hundred thirty-one billion, three hundred ten million, twenty-three thousand, two hundred twelve".