31242554413 has 16 divisors (see below), whose sum is σ = 37619951616. Its totient is φ = 25366310640.

The previous prime is 31242554383. The next prime is 31242554429. The reversal of 31242554413 is 31445524213.

It is a cyclic number.

It is not a de Polignac number, because 31242554413 - 2¹³ = 31242546221 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 (31242554513) 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 15 ways as a sum of consecutive naturals, for example, 925423 + ... + 958588.

It is an arithmetic number, because the mean of its divisors is an integer number (2351246976).

Almost surely, 2^31242554413 is an apocalyptic number.

It is an amenable number.

31242554413 is a deficient number, since it is larger than the sum of its proper divisors (6377397203).

31242554413 is a wasteful number, since it uses less digits than its factorization.

31242554413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884144.

The product of its digits is 57600, while the sum is 34.

The spelling of 31242554413 in words is "thirty-one billion, two hundred forty-two million, five hundred fifty-four thousand, four hundred thirteen".