31040232345152 has 112 divisors (see below), whose sum is σ = 64078149841920. Its totient is φ = 14900644147200.

The previous prime is 31040232345103. The next prime is 31040232345179. The reversal of 31040232345152 is 25154323204013.

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, 984419627 + ... + 984451157.

Almost surely, 2^{31040232345152} is an apocalyptic number.

31040232345152 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 31040232345152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32039074920960).

31040232345152 is an abundant number, since it is smaller than the sum of its proper divisors (33037917496768).

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

31040232345152 is a wasteful number, since it uses less digits than its factorization.

31040232345152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34540 (or 34530 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 31040232345152 its reverse (25154323204013), we get a palindrome (56194555549165).

The spelling of 31040232345152 in words is "thirty-one trillion, forty billion, two hundred thirty-two million, three hundred forty-five thousand, one hundred fifty-two".