31329016079 has 2 divisors, whose sum is σ = 31329016080. Its totient is φ = 31329016078.

The previous prime is 31329016021. The next prime is 31329016087. The reversal of 31329016079 is 97061092313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31329016079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31329016009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15664508039 + 15664508040.

It is an arithmetic number, because the mean of its divisors is an integer number (15664508040).

Almost surely, 2^31329016079 is an apocalyptic number.

31329016079 is a deficient number, since it is larger than the sum of its proper divisors (1).

31329016079 is an equidigital number, since it uses as much as digits as its factorization.

31329016079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The spelling of 31329016079 in words is "thirty-one billion, three hundred twenty-nine million, sixteen thousand, seventy-nine".