31345472957759 has 2 divisors, whose sum is σ = 31345472957760. Its totient is φ = 31345472957758.

The previous prime is 31345472957713. The next prime is 31345472957779. The reversal of 31345472957759 is 95775927454313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31345472957759 - 2⁸ = 31345472957503 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 31345472957692 and 31345472957701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31345472957779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15672736478879 + 15672736478880.

It is an arithmetic number, because the mean of its divisors is an integer number (15672736478880).

Almost surely, 2^{31345472957759} is an apocalyptic number.

31345472957759 is a deficient number, since it is larger than the sum of its proper divisors (1).

31345472957759 is an equidigital number, since it uses as much as digits as its factorization.

31345472957759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000188000, while the sum is 71.

The spelling of 31345472957759 in words is "thirty-one trillion, three hundred forty-five billion, four hundred seventy-two million, nine hundred fifty-seven thousand, seven hundred fifty-nine".