31445254413 has 12 divisors (see below), whose sum is σ = 45425986528. Its totient is φ = 20961165960.

The previous prime is 31445254403. The next prime is 31445254487.

31445254413 is a `hidden beast` number, since 3 + 144 + 52 + 54 + 413 = 666.

31445254413 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31445254413 - 2⁵ = 31445254381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31445254403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107473 + ... + 272838.

Almost surely, 2^31445254413 is an apocalyptic number.

It is an amenable number.

31445254413 is a deficient number, since it is larger than the sum of its proper divisors (13980732115).

31445254413 is a wasteful number, since it uses less digits than its factorization.

31445254413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389504 (or 389501 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 31445254413 in words is "thirty-one billion, four hundred forty-five million, two hundred fifty-four thousand, four hundred thirteen".