230531131000013 has 8 divisors (see below), whose sum is σ = 230634519434136. Its totient is φ = 230427760910400.

The previous prime is 230531130999973. The next prime is 230531131000061. The reversal of 230531131000013 is 310000131135032.

It can be written as a sum of positive squares in 4 ways, for example, as 153320412236644 + 77210718763369 = 12382262^2 + 8786963^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230531131000013 - 2¹² = 230531130995917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230531131000613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20583995 + ... + 29744967.

It is an arithmetic number, because the mean of its divisors is an integer number (28829314929267).

Almost surely, 2^{230531131000013} is an apocalyptic number.

It is an amenable number.

230531131000013 is a deficient number, since it is larger than the sum of its proper divisors (103388434123).

230531131000013 is an equidigital number, since it uses as much as digits as its factorization.

230531131000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9172255.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 230531131000013 its reverse (310000131135032), we get a palindrome (540531262135045).

The spelling of 230531131000013 in words is "two hundred thirty trillion, five hundred thirty-one billion, one hundred thirty-one million, thirteen", and thus it is an aban number.