331540068 has 48 divisors (see below), whose sum is σ = 797448960. Its totient is φ = 107149824.

The previous prime is 331540067. The next prime is 331540087. The reversal of 331540068 is 860045133.

It is not an unprimeable number, because it can be changed into a prime (331540061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58780 + ... + 64172.

It is an arithmetic number, because the mean of its divisors is an integer number (16613520).

Almost surely, 2^331540068 is an apocalyptic number.

It is an amenable number.

331540068 is an abundant number, since it is smaller than the sum of its proper divisors (465908892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331540068 is a wasteful number, since it uses less digits than its factorization.

331540068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556 (or 5554 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 331540068 is about 18208.2417602579. The cubic root of 331540068 is about 692.1156572142.

The spelling of 331540068 in words is "three hundred thirty-one million, five hundred forty thousand, sixty-eight".