202103012131 has 2 divisors, whose sum is σ = 202103012132. Its totient is φ = 202103012130.

The previous prime is 202103012123. The next prime is 202103012173. The reversal of 202103012131 is 131210301202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202103012131 - 2³ = 202103012123 is a prime.

It is a super-2 number, since 2×202103012131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202103012231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051506065 + 101051506066.

It is an arithmetic number, because the mean of its divisors is an integer number (101051506066).

Almost surely, 2^202103012131 is an apocalyptic number.

202103012131 is a deficient number, since it is larger than the sum of its proper divisors (1).

202103012131 is an equidigital number, since it uses as much as digits as its factorization.

202103012131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 202103012131 its reverse (131210301202), we get a palindrome (333313313333).

The spelling of 202103012131 in words is "two hundred two billion, one hundred three million, twelve thousand, one hundred thirty-one".