31578468241 has 8 divisors (see below), whose sum is σ = 32252918400. Its totient is φ = 30904125168.

The previous prime is 31578468239. The next prime is 31578468247. The reversal of 31578468241 is 14286487513.

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

It is a cyclic number.

It is not a de Polignac number, because 31578468241 - 2¹ = 31578468239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31578468247) 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, 930235 + ... + 963583.

It is an arithmetic number, because the mean of its divisors is an integer number (4031614800).

Almost surely, 2^31578468241 is an apocalyptic number.

It is an amenable number.

31578468241 is a deficient number, since it is larger than the sum of its proper divisors (674450159).

31578468241 is a wasteful number, since it uses less digits than its factorization.

31578468241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53543.

The product of its digits is 1290240, while the sum is 49.

The spelling of 31578468241 in words is "thirty-one billion, five hundred seventy-eight million, four hundred sixty-eight thousand, two hundred forty-one".