331076 has 12 divisors (see below), whose sum is σ = 595308. Its totient is φ = 160992.

The previous prime is 331063. The next prime is 331081. The reversal of 331076 is 670133.

It can be written as a sum of positive squares in 2 ways, for example, as 280900 + 50176 = 530^2 + 224^2 .

It is a super-2 number, since 2×331076² = 219222635552, which contains 22 as substring.

It is an unprimeable number.

331076 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 in 3 ways as a sum of consecutive naturals, for example, 971 + ... + 1266.

It is an arithmetic number, because the mean of its divisors is an integer number (49609).

2³³¹⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

331076 is a deficient number, since it is larger than the sum of its proper divisors (264232).

331076 is a wasteful number, since it uses less digits than its factorization.

331076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 331076 is about 575.3920402647. The cubic root of 331076 is about 69.1792580422.

The spelling of 331076 in words is "three hundred thirty-one thousand, seventy-six".