31752428085713 has 2 divisors, whose sum is σ = 31752428085714. Its totient is φ = 31752428085712.

The previous prime is 31752428085691. The next prime is 31752428085731. The reversal of 31752428085713 is 31758082425713.

It is a happy number.

Together with next prime (31752428085731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28211734806784 + 3540693278929 = 5311472^2 + 1881673^2 .

It is a cyclic number.

It is not a de Polignac number, because 31752428085713 - 2⁸ = 31752428085457 is a prime.

It is not a weakly prime, because it can be changed into another prime (31752428015713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15876214042856 + 15876214042857.

It is an arithmetic number, because the mean of its divisors is an integer number (15876214042857).

Almost surely, 2^{31752428085713} is an apocalyptic number.

It is an amenable number.

31752428085713 is a deficient number, since it is larger than the sum of its proper divisors (1).

31752428085713 is an equidigital number, since it uses as much as digits as its factorization.

31752428085713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 31752428085713 in words is "thirty-one trillion, seven hundred fifty-two billion, four hundred twenty-eight million, eighty-five thousand, seven hundred thirteen".