31210404079 has 2 divisors, whose sum is σ = 31210404080. Its totient is φ = 31210404078.

The previous prime is 31210404031. The next prime is 31210404107. The reversal of 31210404079 is 97040401213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31210404079 - 2³¹ = 29062920431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31210404079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31210404479) 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, 15605202039 + 15605202040.

It is an arithmetic number, because the mean of its divisors is an integer number (15605202040).

Almost surely, 2^31210404079 is an apocalyptic number.

31210404079 is a deficient number, since it is larger than the sum of its proper divisors (1).

31210404079 is an equidigital number, since it uses as much as digits as its factorization.

31210404079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 31210404079 in words is "thirty-one billion, two hundred ten million, four hundred four thousand, seventy-nine".