131302232129 has 2 divisors, whose sum is σ = 131302232130. Its totient is φ = 131302232128.

The previous prime is 131302232107. The next prime is 131302232141. The reversal of 131302232129 is 921232203131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92493232129 + 38809000000 = 304127^2 + 197000^2 .

It is a cyclic number.

It is not a de Polignac number, because 131302232129 - 2³⁶ = 62582755393 is a prime.

It is not a weakly prime, because it can be changed into another prime (131302232329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651116064 + 65651116065.

It is an arithmetic number, because the mean of its divisors is an integer number (65651116065).

Almost surely, 2^131302232129 is an apocalyptic number.

It is an amenable number.

131302232129 is a deficient number, since it is larger than the sum of its proper divisors (1).

131302232129 is an equidigital number, since it uses as much as digits as its factorization.

131302232129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 131302232129 in words is "one hundred thirty-one billion, three hundred two million, two hundred thirty-two thousand, one hundred twenty-nine".