31040334232 has 8 divisors (see below), whose sum is σ = 58200626700. Its totient is φ = 15520167112.

The previous prime is 31040334209. The next prime is 31040334301. The reversal of 31040334232 is 23243304013.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 31040334197 and 31040334206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1940020882 + ... + 1940020897.

Almost surely, 2^31040334232 is an apocalyptic number.

It is an amenable number.

31040334232 is a deficient number, since it is larger than the sum of its proper divisors (27160292468).

31040334232 is a wasteful number, since it uses less digits than its factorization.

31040334232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880041785 (or 3880041781 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 31040334232 its reverse (23243304013), we get a palindrome (54283638245).

The spelling of 31040334232 in words is "thirty-one billion, forty million, three hundred thirty-four thousand, two hundred thirty-two".