12434163831 has 6 divisors (see below), whose sum is σ = 17960458880. Its totient is φ = 8289442548.

The previous prime is 12434163827. The next prime is 12434163893. The reversal of 12434163831 is 13836143421.

12434163831 is a `hidden beast` number, since 12 + 4 + 3 + 4 + 1 + 638 + 3 + 1 = 666.

It is not a de Polignac number, because 12434163831 - 2² = 12434163827 is a prime.

It is a super-2 number, since 2×12434163831² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434163821) 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, 690786871 + ... + 690786888.

Almost surely, 2^12434163831 is an apocalyptic number.

12434163831 is a deficient number, since it is larger than the sum of its proper divisors (5526295049).

12434163831 is a wasteful number, since it uses less digits than its factorization.

12434163831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381573765 (or 1381573762 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 12434163831 in words is "twelve billion, four hundred thirty-four million, one hundred sixty-three thousand, eight hundred thirty-one".