231312588713 has 2 divisors, whose sum is σ = 231312588714. Its totient is φ = 231312588712.

The previous prime is 231312588673. The next prime is 231312588757. The reversal of 231312588713 is 317885213132.

It is an a-pointer prime, because the next prime (231312588757) can be obtained adding 231312588713 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230772630544 + 539958169 = 480388^2 + 23237^2 .

It is a cyclic number.

It is not a de Polignac number, because 231312588713 - 2²² = 231308394409 is a prime.

It is not a weakly prime, because it can be changed into another prime (231312588113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115656294356 + 115656294357.

It is an arithmetic number, because the mean of its divisors is an integer number (115656294357).

Almost surely, 2^231312588713 is an apocalyptic number.

It is an amenable number.

231312588713 is a deficient number, since it is larger than the sum of its proper divisors (1).

231312588713 is an equidigital number, since it uses as much as digits as its factorization.

231312588713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The spelling of 231312588713 in words is "two hundred thirty-one billion, three hundred twelve million, five hundred eighty-eight thousand, seven hundred thirteen".