31040552545312 has 96 divisors (see below), whose sum is σ = 62859688077312. Its totient is φ = 15077497365504.

The previous prime is 31040552545243. The next prime is 31040552545367. The reversal of 31040552545312 is 21354525504013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4370058753 + ... + 4370065855.

It is an arithmetic number, because the mean of its divisors is an integer number (654788417472).

Almost surely, 2^{31040552545312} is an apocalyptic number.

31040552545312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31040552545312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31429844038656).

31040552545312 is an abundant number, since it is smaller than the sum of its proper divisors (31819135532000).

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

31040552545312 is a wasteful number, since it uses less digits than its factorization.

31040552545312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12330 (or 12322 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 31040552545312 in words is "thirty-one trillion, forty billion, five hundred fifty-two million, five hundred forty-five thousand, three hundred twelve".