31823240232 has 64 divisors (see below), whose sum is σ = 90936777600. Its totient is φ = 9091031040.

The previous prime is 31823240209. The next prime is 31823240237. The reversal of 31823240232 is 23204232813.

It is a self number, because there is not a number n which added to its sum of digits gives 31823240232.

It is not an unprimeable number, because it can be changed into a prime (31823240237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2178232 + ... + 2192792.

It is an arithmetic number, because the mean of its divisors is an integer number (1420887150).

Almost surely, 2^31823240232 is an apocalyptic number.

It is an amenable number.

31823240232 is an abundant number, since it is smaller than the sum of its proper divisors (59113537368).

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

31823240232 is a wasteful number, since it uses less digits than its factorization.

31823240232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27586 (or 27582 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 31823240232 in words is "thirty-one billion, eight hundred twenty-three million, two hundred forty thousand, two hundred thirty-two".