31754868945 has 8 divisors (see below), whose sum is σ = 50807790336. Its totient is φ = 16935930096.

The previous prime is 31754868917. The next prime is 31754868947. The reversal of 31754868945 is 54986845713.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31754868945 - 2⁵ = 31754868913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31754868947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058495617 + ... + 1058495646.

It is an arithmetic number, because the mean of its divisors is an integer number (6350973792).

Almost surely, 2^31754868945 is an apocalyptic number.

It is an amenable number.

31754868945 is a deficient number, since it is larger than the sum of its proper divisors (19052921391).

31754868945 is a wasteful number, since it uses less digits than its factorization.

31754868945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116991271.

The product of its digits is 29030400, while the sum is 60.

The spelling of 31754868945 in words is "thirty-one billion, seven hundred fifty-four million, eight hundred sixty-eight thousand, nine hundred forty-five".