31542424245 has 24 divisors (see below), whose sum is σ = 56698483296. Its totient is φ = 16822625616.

The previous prime is 31542424231. The next prime is 31542424253. The reversal of 31542424245 is 54242424513.

31542424245 is a `hidden beast` number, since 31 + 542 + 4 + 2 + 42 + 45 = 666.

It is not a de Polignac number, because 31542424245 - 2⁵ = 31542424213 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 12979207 + ... + 12981636.

It is an arithmetic number, because the mean of its divisors is an integer number (2362436804).

Almost surely, 2^31542424245 is an apocalyptic number.

It is an amenable number.

31542424245 is a deficient number, since it is larger than the sum of its proper divisors (25156059051).

31542424245 is an equidigital number, since it uses as much as digits as its factorization.

31542424245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25960863 (or 25960851 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

Adding to 31542424245 its reverse (54242424513), we get a palindrome (85784848758).

The spelling of 31542424245 in words is "thirty-one billion, five hundred forty-two million, four hundred twenty-four thousand, two hundred forty-five".