202002013931 has 2 divisors, whose sum is σ = 202002013932. Its totient is φ = 202002013930.

The previous prime is 202002013847. The next prime is 202002013951. The reversal of 202002013931 is 139310200202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202002013931 is a prime.

It is a super-2 number, since 2×202002013931² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 202002013897 and 202002013906.

It is not a weakly prime, because it can be changed into another prime (202002013951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101001006965 + 101001006966.

It is an arithmetic number, because the mean of its divisors is an integer number (101001006966).

Almost surely, 2^202002013931 is an apocalyptic number.

202002013931 is a deficient number, since it is larger than the sum of its proper divisors (1).

202002013931 is an equidigital number, since it uses as much as digits as its factorization.

202002013931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 202002013931 in words is "two hundred two billion, two million, thirteen thousand, nine hundred thirty-one".