331232460 has 96 divisors (see below), whose sum is σ = 1003118592. Its totient is φ = 81181440.

The previous prime is 331232459. The next prime is 331232467. The reversal of 331232460 is 64232133.

331232460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 331232460.

It is not an unprimeable number, because it can be changed into a prime (331232467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210597 + ... + 212163.

It is an arithmetic number, because the mean of its divisors is an integer number (10449152).

Almost surely, 2^331232460 is an apocalyptic number.

331232460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331232460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501559296).

331232460 is an abundant number, since it is smaller than the sum of its proper divisors (671886132).

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

331232460 is a wasteful number, since it uses less digits than its factorization.

331232460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863 (or 1861 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 331232460 is about 18199.7928559640. The cubic root of 331232460 is about 691.9015391114.

Adding to 331232460 its reverse (64232133), we get a palindrome (395464593).

The spelling of 331232460 in words is "three hundred thirty-one million, two hundred thirty-two thousand, four hundred sixty".