331333376 has 72 divisors (see below), whose sum is σ = 729536304. Its totient is φ = 148930560.

The previous prime is 331333337. The next prime is 331333391. The reversal of 331333376 is 673333133.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272546 + ... + 273758.

Almost surely, 2^331333376 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 331333376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364768152).

331333376 is an abundant number, since it is smaller than the sum of its proper divisors (398202928).

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

331333376 is a wasteful number, since it uses less digits than its factorization.

331333376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1323 counting only the distinct ones).

The product of its digits is 30618, while the sum is 32.

The square root of 331333376 is about 18202.5650939641. The cubic root of 331333376 is about 691.9717987772.

The spelling of 331333376 in words is "three hundred thirty-one million, three hundred thirty-three thousand, three hundred seventy-six".