31031255005324 has 72 divisors (see below), whose sum is σ = 63440226980592. Its totient is φ = 13242468435840.

The previous prime is 31031255005319. The next prime is 31031255005343. The reversal of 31031255005324 is 42350055213013.

It is a self number, because there is not a number n which added to its sum of digits gives 31031255005324.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59732854 + ... + 60250114.

Almost surely, 2^{31031255005324} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31031255005324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31720113490296).

31031255005324 is an abundant number, since it is smaller than the sum of its proper divisors (32408971975268).

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

31031255005324 is a wasteful number, since it uses less digits than its factorization.

31031255005324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518583 (or 518574 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 31031255005324 in words is "thirty-one trillion, thirty-one billion, two hundred fifty-five million, five thousand, three hundred twenty-four".