102030131129 has 2 divisors, whose sum is σ = 102030131130. Its totient is φ = 102030131128.

The previous prime is 102030131069. The next prime is 102030131149. The reversal of 102030131129 is 921131030201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68658148729 + 33371982400 = 262027^2 + 182680^2 .

It is a cyclic number.

It is not a de Polignac number, because 102030131129 - 2³⁶ = 33310654393 is a prime.

It is not a weakly prime, because it can be changed into another prime (102030131149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51015065564 + 51015065565.

It is an arithmetic number, because the mean of its divisors is an integer number (51015065565).

Almost surely, 2^102030131129 is an apocalyptic number.

It is an amenable number.

102030131129 is a deficient number, since it is larger than the sum of its proper divisors (1).

102030131129 is an equidigital number, since it uses as much as digits as its factorization.

102030131129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 102030131129 in words is "one hundred two billion, thirty million, one hundred thirty-one thousand, one hundred twenty-nine".