231311970245 has 16 divisors (see below), whose sum is σ = 293946055488. Its totient is φ = 174138359040.

The previous prime is 231311970233. The next prime is 231311970251. The reversal of 231311970245 is 542079113132.

It is not a de Polignac number, because 231311970245 - 2⁸ = 231311969989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231311970199 and 231311970208.

It is a congruent number.

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, 380990 + ... + 779600.

It is an arithmetic number, because the mean of its divisors is an integer number (18371628468).

Almost surely, 2^231311970245 is an apocalyptic number.

It is an amenable number.

231311970245 is a deficient number, since it is larger than the sum of its proper divisors (62634085243).

231311970245 is a wasteful number, since it uses less digits than its factorization.

231311970245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405460.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 231311970245 in words is "two hundred thirty-one billion, three hundred eleven million, nine hundred seventy thousand, two hundred forty-five".