31233302012 has 24 divisors (see below), whose sum is σ = 59636241840. Its totient is φ = 14194805760.

The previous prime is 31233302011. The next prime is 31233302017. The reversal of 31233302012 is 21020333213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233302011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260828 + ... + 361244.

It is an arithmetic number, because the mean of its divisors is an integer number (2484843410).

Almost surely, 2^31233302012 is an apocalyptic number.

It is an amenable number.

31233302012 is a deficient number, since it is larger than the sum of its proper divisors (28402939828).

31233302012 is a wasteful number, since it uses less digits than its factorization.

31233302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107501 (or 107499 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31233302012 its reverse (21020333213), we get a palindrome (52253635225).

The spelling of 31233302012 in words is "thirty-one billion, two hundred thirty-three million, three hundred two thousand, twelve".