12631105233 has 6 divisors (see below), whose sum is σ = 18244929794. Its totient is φ = 8420736816.

The previous prime is 12631105181. The next prime is 12631105241. The reversal of 12631105233 is 33250113621.

12631105233 is a `hidden beast` number, since 1 + 2 + 631 + 1 + 0 + 5 + 23 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12334989969 + 296115264 = 111063^2 + 17208^2 .

It is not a de Polignac number, because 12631105233 - 2⁶ = 12631105169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12631105197 and 12631105206.

It is not an unprimeable number, because it can be changed into a prime (12631105283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 701728060 + ... + 701728077.

Almost surely, 2^12631105233 is an apocalyptic number.

It is an amenable number.

12631105233 is a deficient number, since it is larger than the sum of its proper divisors (5613824561).

12631105233 is a wasteful number, since it uses less digits than its factorization.

12631105233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403456143 (or 1403456140 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 12631105233 its reverse (33250113621), we get a palindrome (45881218854).

The spelling of 12631105233 in words is "twelve billion, six hundred thirty-one million, one hundred five thousand, two hundred thirty-three".