131102012137 has 2 divisors, whose sum is σ = 131102012138. Its totient is φ = 131102012136.

The previous prime is 131102012117. The next prime is 131102012203. The reversal of 131102012137 is 731210201131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128376023616 + 2725988521 = 358296^2 + 52211^2 .

It is a cyclic number.

It is not a de Polignac number, because 131102012137 - 2³⁵ = 96742273769 is a prime.

It is not a weakly prime, because it can be changed into another prime (131102012117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65551006068 + 65551006069.

It is an arithmetic number, because the mean of its divisors is an integer number (65551006069).

Almost surely, 2^131102012137 is an apocalyptic number.

It is an amenable number.

131102012137 is a deficient number, since it is larger than the sum of its proper divisors (1).

131102012137 is an equidigital number, since it uses as much as digits as its factorization.

131102012137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 131102012137 its reverse (731210201131), we get a palindrome (862312213268).

The spelling of 131102012137 in words is "one hundred thirty-one billion, one hundred two million, twelve thousand, one hundred thirty-seven".