31252040445443 has 2 divisors, whose sum is σ = 31252040445444. Its totient is φ = 31252040445442.

The previous prime is 31252040445383. The next prime is 31252040445463. The reversal of 31252040445443 is 34454404025213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31252040445443 - 2³⁴ = 31234860576259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31252040445443.

It is not a weakly prime, because it can be changed into another prime (31252040445463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15626020222721 + 15626020222722.

It is an arithmetic number, because the mean of its divisors is an integer number (15626020222722).

Almost surely, 2^{31252040445443} is an apocalyptic number.

31252040445443 is a deficient number, since it is larger than the sum of its proper divisors (1).

31252040445443 is an equidigital number, since it uses as much as digits as its factorization.

31252040445443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 921600, while the sum is 41.

The spelling of 31252040445443 in words is "thirty-one trillion, two hundred fifty-two billion, forty million, four hundred forty-five thousand, four hundred forty-three".