231347292944 has 20 divisors (see below), whose sum is σ = 448469749596. Its totient is φ = 115613164032.

The previous prime is 231347292923. The next prime is 231347292949. The reversal of 231347292944 is 449292743132.

It can be written as a sum of positive squares in 2 ways, for example, as 220900000000 + 10447292944 = 470000^2 + 102212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231347292892 and 231347292901.

It is not an unprimeable number, because it can be changed into a prime (231347292949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3748589 + ... + 3809804.

Almost surely, 2^231347292944 is an apocalyptic number.

It is an amenable number.

231347292944 is a deficient number, since it is larger than the sum of its proper divisors (217122456652).

231347292944 is a wasteful number, since it uses less digits than its factorization.

231347292944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7560314 (or 7560308 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 50.

The spelling of 231347292944 in words is "two hundred thirty-one billion, three hundred forty-seven million, two hundred ninety-two thousand, nine hundred forty-four".