31233223104 has 28 divisors (see below), whose sum is σ = 82637903304. Its totient is φ = 10411074304.

The previous prime is 31233223069. The next prime is 31233223159. The reversal of 31233223104 is 40132233213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81336327 + ... + 81336710.

Almost surely, 2^31233223104 is an apocalyptic number.

It is an amenable number.

31233223104 is an abundant number, since it is smaller than the sum of its proper divisors (51404680200).

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

31233223104 is a wasteful number, since it uses less digits than its factorization.

31233223104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162673052 (or 162673042 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31233223104 its reverse (40132233213), we get a palindrome (71365456317).

The spelling of 31233223104 in words is "thirty-one billion, two hundred thirty-three million, two hundred twenty-three thousand, one hundred four".