20203130131 has 2 divisors, whose sum is σ = 20203130132. Its totient is φ = 20203130130.

The previous prime is 20203130113. The next prime is 20203130161. The reversal of 20203130131 is 13103130202.

Together with previous prime (20203130113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20203130131 - 2⁵ = 20203130099 is a prime.

It is a super-2 number, since 2×20203130131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20203130161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101565065 + 10101565066.

It is an arithmetic number, because the mean of its divisors is an integer number (10101565066).

Almost surely, 2^20203130131 is an apocalyptic number.

20203130131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203130131 is an equidigital number, since it uses as much as digits as its factorization.

20203130131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20203130131 its reverse (13103130202), we get a palindrome (33306260333).

The spelling of 20203130131 in words is "twenty billion, two hundred three million, one hundred thirty thousand, one hundred thirty-one".