202312013231 has 2 divisors, whose sum is σ = 202312013232. Its totient is φ = 202312013230.

The previous prime is 202312013173. The next prime is 202312013261. The reversal of 202312013231 is 132310213202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202312013231 - 2³⁴ = 185132144047 is a prime.

It is a super-2 number, since 2×202312013231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202312013261) 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 as a sum of consecutive naturals, namely, 101156006615 + 101156006616.

It is an arithmetic number, because the mean of its divisors is an integer number (101156006616).

Almost surely, 2^202312013231 is an apocalyptic number.

202312013231 is a deficient number, since it is larger than the sum of its proper divisors (1).

202312013231 is an equidigital number, since it uses as much as digits as its factorization.

202312013231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 202312013231 its reverse (132310213202), we get a palindrome (334622226433).

The spelling of 202312013231 in words is "two hundred two billion, three hundred twelve million, thirteen thousand, two hundred thirty-one".