31233104144 has 20 divisors (see below), whose sum is σ = 66015425040. Its totient is φ = 14196865440.

The previous prime is 31233104131. The next prime is 31233104167. The reversal of 31233104144 is 44140133213.

It is a happy 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, 88730234 + ... + 88730585.

It is an arithmetic number, because the mean of its divisors is an integer number (3300771252).

Almost surely, 2^31233104144 is an apocalyptic number.

It is an amenable number.

31233104144 is an abundant number, since it is smaller than the sum of its proper divisors (34782320896).

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

31233104144 is a wasteful number, since it uses less digits than its factorization.

31233104144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177460838 (or 177460832 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31233104144 its reverse (44140133213), we get a palindrome (75373237357).

The spelling of 31233104144 in words is "thirty-one billion, two hundred thirty-three million, one hundred four thousand, one hundred forty-four".