331048 has 8 divisors (see below), whose sum is σ = 620730. Its totient is φ = 165520.

The previous prime is 331043. The next prime is 331063. The reversal of 331048 is 840133.

It can be written as a sum of positive squares in only one way, i.e., 272484 + 58564 = 522^2 + 242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (331043) by changing a digit.

331048 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20683 + ... + 20698.

2³³¹⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

331048 is a deficient number, since it is larger than the sum of its proper divisors (289682).

331048 is a wasteful number, since it uses less digits than its factorization.

331048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41387 (or 41383 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 331048 is about 575.3677085134. The cubic root of 331048 is about 69.1773077610.

It can be divided in two parts, 33 and 1048, that added together give a triangular number (1081 = T₄₆).

The spelling of 331048 in words is "three hundred thirty-one thousand, forty-eight".