31212032130079 has 2 divisors, whose sum is σ = 31212032130080. Its totient is φ = 31212032130078.

The previous prime is 31212032130053. The next prime is 31212032130107. The reversal of 31212032130079 is 97003123021213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31212032130079 - 2²³ = 31212023741471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31212032134079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15606016065039 + 15606016065040.

It is an arithmetic number, because the mean of its divisors is an integer number (15606016065040).

Almost surely, 2^{31212032130079} is an apocalyptic number.

31212032130079 is a deficient number, since it is larger than the sum of its proper divisors (1).

31212032130079 is an equidigital number, since it uses as much as digits as its factorization.

31212032130079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 31212032130079 in words is "thirty-one trillion, two hundred twelve billion, thirty-two million, one hundred thirty thousand, seventy-nine".