31233103312 has 10 divisors (see below), whose sum is σ = 60514137698. Its totient is φ = 15616551648.

The previous prime is 31233103309. The next prime is 31233103333. The reversal of 31233103312 is 21330133213.

It can be written as a sum of positive squares in only one way, i.e., 31193211456 + 39891856 = 176616^2 + 6316^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 976034463 + ... + 976034494.

Almost surely, 2^31233103312 is an apocalyptic number.

It is an amenable number.

31233103312 is a deficient number, since it is larger than the sum of its proper divisors (29281034386).

31233103312 is a wasteful number, since it uses less digits than its factorization.

31233103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952068965 (or 1952068959 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31233103312 its reverse (21330133213), we get a palindrome (52563236525).

The spelling of 31233103312 in words is "thirty-one billion, two hundred thirty-three million, one hundred three thousand, three hundred twelve".