31044424131 has 24 divisors (see below), whose sum is σ = 51402800384. Its totient is φ = 17686064880.

The previous prime is 31044424109. The next prime is 31044424153. The reversal of 31044424131 is 13142444013.

31044424131 is a `hidden beast` number, since 3 + 104 + 4 + 424 + 131 = 666.

It is an interprime number because it is at equal distance from previous prime (31044424109) and next prime (31044424153).

It is not a de Polignac number, because 31044424131 - 2⁷ = 31044424003 is a prime.

It is a super-2 number, since 2×31044424131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31044424095 and 31044424104.

It is not an unprimeable number, because it can be changed into a prime (31044424031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 723511 + ... + 765216.

Almost surely, 2^31044424131 is an apocalyptic number.

31044424131 is a deficient number, since it is larger than the sum of its proper divisors (20358376253).

31044424131 is a wasteful number, since it uses less digits than its factorization.

31044424131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489071 (or 1489068 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 31044424131 its reverse (13142444013), we get a palindrome (44186868144).

The spelling of 31044424131 in words is "thirty-one billion, forty-four million, four hundred twenty-four thousand, one hundred thirty-one".