31233348906 has 16 divisors (see below), whose sum is σ = 66141209664. Its totient is φ = 9798697664.

The previous prime is 31233348863. The next prime is 31233348953. The reversal of 31233348906 is 60984333213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153104550 + ... + 153104753.

It is an arithmetic number, because the mean of its divisors is an integer number (4133825604).

Almost surely, 2^31233348906 is an apocalyptic number.

31233348906 is an abundant number, since it is smaller than the sum of its proper divisors (34907860758).

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

31233348906 is a wasteful number, since it uses less digits than its factorization.

31233348906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306209325.

The product of its (nonzero) digits is 279936, while the sum is 42.

The spelling of 31233348906 in words is "thirty-one billion, two hundred thirty-three million, three hundred forty-eight thousand, nine hundred six".