12631344354 has 24 divisors (see below), whose sum is σ = 27386301852. Its totient is φ = 4207619040.

The previous prime is 12631344353. The next prime is 12631344367. The reversal of 12631344354 is 45344313621.

12631344354 is a `hidden beast` number, since 1 + 263 + 1 + 3 + 44 + 354 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12377675025 + 253669329 = 111255^2 + 15927^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12631344353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208137 + ... + 261884.

Almost surely, 2^12631344354 is an apocalyptic number.

12631344354 is an abundant number, since it is smaller than the sum of its proper divisors (14754957498).

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

12631344354 is a wasteful number, since it uses less digits than its factorization.

12631344354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471522 (or 471519 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

Adding to 12631344354 its reverse (45344313621), we get a palindrome (57975657975).

The spelling of 12631344354 in words is "twelve billion, six hundred thirty-one million, three hundred forty-four thousand, three hundred fifty-four".