129082800031 has 2 divisors, whose sum is σ = 129082800032. Its totient is φ = 129082800030.

The previous prime is 129082799987. The next prime is 129082800043. The reversal of 129082800031 is 130008280921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129082800031 - 2⁷ = 129082799903 is a prime.

It is a super-2 number, since 2×129082800031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 129082800031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129082800061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64541400015 + 64541400016.

It is an arithmetic number, because the mean of its divisors is an integer number (64541400016).

Almost surely, 2^129082800031 is an apocalyptic number.

129082800031 is a deficient number, since it is larger than the sum of its proper divisors (1).

129082800031 is an equidigital number, since it uses as much as digits as its factorization.

129082800031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 129082800031 in words is "one hundred twenty-nine billion, eighty-two million, eight hundred thousand, thirty-one".