31774942753 has 2 divisors, whose sum is σ = 31774942754. Its totient is φ = 31774942752.

The previous prime is 31774942747. The next prime is 31774942763. The reversal of 31774942753 is 35724947713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15901966609 + 15872976144 = 126103^2 + 125988^2 .

It is a cyclic number.

It is not a de Polignac number, because 31774942753 - 2²⁵ = 31741388321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31774942753.

It is not a weakly prime, because it can be changed into another prime (31774942763) 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, 15887471376 + 15887471377.

It is an arithmetic number, because the mean of its divisors is an integer number (15887471377).

Almost surely, 2^31774942753 is an apocalyptic number.

It is an amenable number.

31774942753 is a deficient number, since it is larger than the sum of its proper divisors (1).

31774942753 is an equidigital number, since it uses as much as digits as its factorization.

31774942753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4445280, while the sum is 52.

The spelling of 31774942753 in words is "thirty-one billion, seven hundred seventy-four million, nine hundred forty-two thousand, seven hundred fifty-three".