129081093131 has 2 divisors, whose sum is σ = 129081093132. Its totient is φ = 129081093130.

The previous prime is 129081093101. The next prime is 129081093157. The reversal of 129081093131 is 131390180921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129081093131 is a prime.

It is a super-2 number, since 2×129081093131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (129081093101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64540546565 + 64540546566.

It is an arithmetic number, because the mean of its divisors is an integer number (64540546566).

Almost surely, 2^129081093131 is an apocalyptic number.

129081093131 is a deficient number, since it is larger than the sum of its proper divisors (1).

129081093131 is an equidigital number, since it uses as much as digits as its factorization.

129081093131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 129081093131 in words is "one hundred twenty-nine billion, eighty-one million, ninety-three thousand, one hundred thirty-one".