31106757713 has 2 divisors, whose sum is σ = 31106757714. Its totient is φ = 31106757712.

The previous prime is 31106757653. The next prime is 31106757727. The reversal of 31106757713 is 31775760113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30964385089 + 142372624 = 175967^2 + 11932^2 .

It is a cyclic number.

It is not a de Polignac number, because 31106757713 - 2⁸ = 31106757457 is a prime.

It is not a weakly prime, because it can be changed into another prime (31106759713) 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, 15553378856 + 15553378857.

It is an arithmetic number, because the mean of its divisors is an integer number (15553378857).

Almost surely, 2^31106757713 is an apocalyptic number.

It is an amenable number.

31106757713 is a deficient number, since it is larger than the sum of its proper divisors (1).

31106757713 is an equidigital number, since it uses as much as digits as its factorization.

31106757713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92610, while the sum is 41.

The spelling of 31106757713 in words is "thirty-one billion, one hundred six million, seven hundred fifty-seven thousand, seven hundred thirteen".