20023100131 has 2 divisors, whose sum is σ = 20023100132. Its totient is φ = 20023100130.

The previous prime is 20023100081. The next prime is 20023100137. The reversal of 20023100131 is 13100132002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20023100131 - 2²⁹ = 19486229219 is a prime.

It is a super-2 number, since 2×20023100131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20023100137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011550065 + 10011550066.

It is an arithmetic number, because the mean of its divisors is an integer number (10011550066).

Almost surely, 2^20023100131 is an apocalyptic number.

20023100131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023100131 is an equidigital number, since it uses as much as digits as its factorization.

20023100131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20023100131 its reverse (13100132002), we get a palindrome (33123232133).

The spelling of 20023100131 in words is "twenty billion, twenty-three million, one hundred thousand, one hundred thirty-one".