31252040445454 has 16 divisors (see below), whose sum is σ = 46988385519600. Its totient is φ = 15589248439680.

The previous prime is 31252040445443. The next prime is 31252040445463. The reversal of 31252040445454 is 45454404025213.

It is a super-2 number, since 2×31252040445454² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31252040445454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19251372 + ... + 20811520.

It is an arithmetic number, because the mean of its divisors is an integer number (2936774094975).

Almost surely, 2^{31252040445454} is an apocalyptic number.

31252040445454 is a deficient number, since it is larger than the sum of its proper divisors (15736345074146).

31252040445454 is a wasteful number, since it uses less digits than its factorization.

31252040445454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583715.

The product of its (nonzero) digits is 1536000, while the sum is 43.

The spelling of 31252040445454 in words is "thirty-one trillion, two hundred fifty-two billion, forty million, four hundred forty-five thousand, four hundred fifty-four".