12439030131 has 48 divisors (see below), whose sum is σ = 20511429120. Its totient is φ = 7190472960.

The previous prime is 12439030081. The next prime is 12439030141. The reversal of 12439030131 is 13103093421.

12439030131 is a `hidden beast` number, since 1 + 243 + 90 + 301 + 31 = 666.

It is not a de Polignac number, because 12439030131 - 2¹⁷ = 12438899059 is a prime.

It is a super-2 number, since 2×12439030131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12439030095 and 12439030104.

It is not an unprimeable number, because it can be changed into a prime (12439030141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 809835 + ... + 825051.

It is an arithmetic number, because the mean of its divisors is an integer number (427321440).

Almost surely, 2^12439030131 is an apocalyptic number.

12439030131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12439030131 is a deficient number, since it is larger than the sum of its proper divisors (8072398989).

12439030131 is a wasteful number, since it uses less digits than its factorization.

12439030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15616 (or 15613 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 12439030131 in words is "twelve billion, four hundred thirty-nine million, thirty thousand, one hundred thirty-one".