31123033200232 has 16 divisors (see below), whose sum is σ = 58374289684260. Its totient is φ = 15556555951104.

The previous prime is 31123033200187. The next prime is 31123033200247. The reversal of 31123033200232 is 23200233032113.

It can be written as a sum of positive squares in 2 ways, for example, as 27269012456676 + 3854020743556 = 5221974^2 + 1963166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31123033200197 and 31123033200206.

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, 620054463 + ... + 620104654.

Almost surely, 2^{31123033200232} is an apocalyptic number.

It is an amenable number.

31123033200232 is a deficient number, since it is larger than the sum of its proper divisors (27251256484028).

31123033200232 is a wasteful number, since it uses less digits than its factorization.

31123033200232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240162260 (or 1240162256 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31123033200232 its reverse (23200233032113), we get a palindrome (54323266232345).

The spelling of 31123033200232 in words is "thirty-one trillion, one hundred twenty-three billion, thirty-three million, two hundred thousand, two hundred thirty-two".