31102794260689 has 2 divisors, whose sum is σ = 31102794260690. Its totient is φ = 31102794260688.

The previous prime is 31102794260653. The next prime is 31102794260719. The reversal of 31102794260689 is 98606249720113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30482456872464 + 620337388225 = 5521092^2 + 787615^2 .

It is a cyclic number.

It is not a de Polignac number, because 31102794260689 - 2⁷ = 31102794260561 is a prime.

It is not a weakly prime, because it can be changed into another prime (31102794560689) 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, 15551397130344 + 15551397130345.

It is an arithmetic number, because the mean of its divisors is an integer number (15551397130345).

Almost surely, 2^{31102794260689} is an apocalyptic number.

It is an amenable number.

31102794260689 is a deficient number, since it is larger than the sum of its proper divisors (1).

31102794260689 is an equidigital number, since it uses as much as digits as its factorization.

31102794260689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 31102794260689 in words is "thirty-one trillion, one hundred two billion, seven hundred ninety-four million, two hundred sixty thousand, six hundred eighty-nine".