331352 has 32 divisors (see below), whose sum is σ = 729120. Its totient is φ = 138240.

The previous prime is 331349. The next prime is 331367. The reversal of 331352 is 253133.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 331352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3368 + ... + 3464.

It is an arithmetic number, because the mean of its divisors is an integer number (22785).

2³³¹³⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364560).

331352 is an abundant number, since it is smaller than the sum of its proper divisors (397768).

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

331352 is a wasteful number, since it uses less digits than its factorization.

331352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 167 counting only the distinct ones).

The product of its digits is 270, while the sum is 17.

The square root of 331352 is about 575.6318267782. The cubic root of 331352 is about 69.1984763606.

Adding to 331352 its reverse (253133), we get a palindrome (584485).

The spelling of 331352 in words is "three hundred thirty-one thousand, three hundred fifty-two".