331497480 has 32 divisors (see below), whose sum is σ = 994492800. Its totient is φ = 88399296.

The previous prime is 331497479. The next prime is 331497487. The reversal of 331497480 is 84794133.

331497480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (331497487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381120 + ... + 1381359.

It is an arithmetic number, because the mean of its divisors is an integer number (31077900).

Almost surely, 2^331497480 is an apocalyptic number.

331497480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331497480 is an abundant number, since it is smaller than the sum of its proper divisors (662995320).

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

331497480 is a wasteful number, since it uses less digits than its factorization.

331497480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762493 (or 2762489 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 331497480 is about 18207.0722522870. The cubic root of 331497480 is about 692.0860206919.

The spelling of 331497480 in words is "three hundred thirty-one million, four hundred ninety-seven thousand, four hundred eighty".