231312311258 has 16 divisors (see below), whose sum is σ = 398414710464. Its totient is φ = 98664017760.

The previous prime is 231312311257. The next prime is 231312311317. The reversal of 231312311258 is 852113213132.

It is not an unprimeable number, because it can be changed into a prime (231312311257) 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, 39149435 + ... + 39155342.

It is an arithmetic number, because the mean of its divisors is an integer number (24900919404).

Almost surely, 2^231312311258 is an apocalyptic number.

231312311258 is a deficient number, since it is larger than the sum of its proper divisors (167102399206).

231312311258 is a wasteful number, since it uses less digits than its factorization.

231312311258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78304997.

The product of its digits is 8640, while the sum is 32.

The spelling of 231312311258 in words is "two hundred thirty-one billion, three hundred twelve million, three hundred eleven thousand, two hundred fifty-eight".