31204232012 has 12 divisors (see below), whose sum is σ = 54618470256. Its totient is φ = 15598954800.

The previous prime is 31204231973. The next prime is 31204232023. The reversal of 31204232012 is 21023240213.

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 3 ways as a sum of consecutive naturals, for example, 768023 + ... + 807630.

It is an arithmetic number, because the mean of its divisors is an integer number (4551539188).

Almost surely, 2^31204232012 is an apocalyptic number.

It is an amenable number.

31204232012 is a deficient number, since it is larger than the sum of its proper divisors (23414238244).

31204232012 is a wasteful number, since it uses less digits than its factorization.

31204232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580608 (or 1580606 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31204232012 its reverse (21023240213), we get a palindrome (52227472225).

The spelling of 31204232012 in words is "thirty-one billion, two hundred four million, two hundred thirty-two thousand, twelve".