231300033013 has 24 divisors (see below), whose sum is σ = 269701416600. Its totient is φ = 197787598848.

The previous prime is 231300033007. The next prime is 231300033089. The reversal of 231300033013 is 310330003132.

It can be written as a sum of positive squares in 4 ways, for example, as 3616458769 + 227683574244 = 60137^2 + 477162^2 .

It is a de Polignac number, because none of the positive numbers 2^k-231300033013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231300033413) 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 23 ways as a sum of consecutive naturals, for example, 42539131 + ... + 42544567.

It is an arithmetic number, because the mean of its divisors is an integer number (11237559025).

Almost surely, 2^231300033013 is an apocalyptic number.

It is an amenable number.

231300033013 is a deficient number, since it is larger than the sum of its proper divisors (38401383587).

231300033013 is a wasteful number, since it uses less digits than its factorization.

231300033013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7349 (or 7342 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 231300033013 its reverse (310330003132), we get a palindrome (541630036145).

The spelling of 231300033013 in words is "two hundred thirty-one billion, three hundred million, thirty-three thousand, thirteen".