31233201232 has 10 divisors (see below), whose sum is σ = 60514327418. Its totient is φ = 15616600608.

The previous prime is 31233201229. The next prime is 31233201271. The reversal of 31233201232 is 23210233213.

It can be written as a sum of positive squares in only one way, i.e., 16554424896 + 14678776336 = 128664^2 + 121156^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976037523 + ... + 976037554.

Almost surely, 2^31233201232 is an apocalyptic number.

It is an amenable number.

31233201232 is a deficient number, since it is larger than the sum of its proper divisors (29281126186).

31233201232 is a wasteful number, since it uses less digits than its factorization.

31233201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952075085 (or 1952075079 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31233201232 its reverse (23210233213), we get a palindrome (54443434445).

The spelling of 31233201232 in words is "thirty-one billion, two hundred thirty-three million, two hundred one thousand, two hundred thirty-two".