331665342 has 32 divisors (see below), whose sum is σ = 725013504. Its totient is φ = 100694400.

The previous prime is 331665331. The next prime is 331665377. The reversal of 331665342 is 243566133.

It is a super-2 number, since 2×331665342² = 220003798167953928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49284 + ... + 55607.

It is an arithmetic number, because the mean of its divisors is an integer number (22656672).

Almost surely, 2^331665342 is an apocalyptic number.

331665342 is an abundant number, since it is smaller than the sum of its proper divisors (393348162).

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

331665342 is a wasteful number, since it uses less digits than its factorization.

331665342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104944.

The product of its digits is 38880, while the sum is 33.

The square root of 331665342 is about 18211.6814709680. The cubic root of 331665342 is about 692.2028193071.

The spelling of 331665342 in words is "three hundred thirty-one million, six hundred sixty-five thousand, three hundred forty-two".