31232113404 has 24 divisors (see below), whose sum is σ = 73065216000. Its totient is φ = 10383520944.

The previous prime is 31232113373. The next prime is 31232113487. The reversal of 31232113404 is 40431123213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3393154 + ... + 3402345.

It is an arithmetic number, because the mean of its divisors is an integer number (3044384000).

Almost surely, 2^31232113404 is an apocalyptic number.

It is an amenable number.

31232113404 is an abundant number, since it is smaller than the sum of its proper divisors (41833102596).

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

31232113404 is a wasteful number, since it uses less digits than its factorization.

31232113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795889 (or 6795887 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31232113404 its reverse (40431123213), we get a palindrome (71663236617).

The spelling of 31232113404 in words is "thirty-one billion, two hundred thirty-two million, one hundred thirteen thousand, four hundred four".