331268 has 12 divisors (see below), whose sum is σ = 662592. Its totient is φ = 141960.

The previous prime is 331259. The next prime is 331277. The reversal of 331268 is 862133.

It is an interprime number because it is at equal distance from previous prime (331259) and next prime (331277).

331268 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

331268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5888 + ... + 5943.

It is an arithmetic number, because the mean of its divisors is an integer number (55216).

2³³¹²⁶⁸ is an apocalyptic number.

It is an amenable number.

331268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

331268 is a wasteful number, since it uses less digits than its factorization.

331268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11842 (or 11840 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 331268 is about 575.5588588494. The cubic root of 331268 is about 69.1926284373.

The spelling of 331268 in words is "three hundred thirty-one thousand, two hundred sixty-eight".