31525000079 has 2 divisors, whose sum is σ = 31525000080. Its totient is φ = 31525000078.

The previous prime is 31525000049. The next prime is 31525000093. The reversal of 31525000079 is 97000052513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31525000079 - 2¹⁶ = 31524934543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31525000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15762500039 + 15762500040.

It is an arithmetic number, because the mean of its divisors is an integer number (15762500040).

Almost surely, 2^31525000079 is an apocalyptic number.

31525000079 is a deficient number, since it is larger than the sum of its proper divisors (1).

31525000079 is an equidigital number, since it uses as much as digits as its factorization.

31525000079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 32.

The spelling of 31525000079 in words is "thirty-one billion, five hundred twenty-five million, seventy-nine", and thus it is an aban number.