31312157714448 has 80 divisors (see below), whose sum is σ = 88965476011776. Its totient is φ = 9429520481280.

The previous prime is 31312157714393. The next prime is 31312157714449. The reversal of 31312157714448 is 84441775121313.

It is a self number, because there is not a number n which added to its sum of digits gives 31312157714448.

It is not an unprimeable number, because it can be changed into a prime (31312157714449) 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 in 15 ways as a sum of consecutive naturals, for example, 533797693 + ... + 533856348.

Almost surely, 2^{31312157714448} is an apocalyptic number.

It is an amenable number.

31312157714448 is an abundant number, since it is smaller than the sum of its proper divisors (57653318297328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31312157714448 is a wasteful number, since it uses less digits than its factorization.

31312157714448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067654112 (or 1067654106 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 31312157714448 in words is "thirty-one trillion, three hundred twelve billion, one hundred fifty-seven million, seven hundred fourteen thousand, four hundred forty-eight".