231012020313 has 12 divisors (see below), whose sum is σ = 333688642560. Its totient is φ = 154005884376.

The previous prime is 231012020303. The next prime is 231012020377. The reversal of 231012020313 is 313020210132.

231012020313 is a `hidden beast` number, since 2 + 310 + 1 + 20 + 20 + 313 = 666.

231012020313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231012020313 - 2³⁰ = 229938278489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231012020303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783808 + ... + 1037486.

It is an arithmetic number, because the mean of its divisors is an integer number (27807386880).

Almost surely, 2^231012020313 is an apocalyptic number.

It is an amenable number.

231012020313 is a deficient number, since it is larger than the sum of its proper divisors (102676622247).

231012020313 is a wasteful number, since it uses less digits than its factorization.

231012020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354868 (or 354865 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231012020313 its reverse (313020210132), we get a palindrome (544032230445).

The spelling of 231012020313 in words is "two hundred thirty-one billion, twelve million, twenty thousand, three hundred thirteen".