331945395 has 16 divisors (see below), whose sum is σ = 531774720. Its totient is φ = 176816864.

The previous prime is 331945373. The next prime is 331945429. The reversal of 331945395 is 593549133.

It is a cyclic number.

It is not a de Polignac number, because 331945395 - 2⁶ = 331945331 is a prime.

It is a super-2 number, since 2×331945395² = 220375490523412050, which contains 22 as substring.

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, 975 + ... + 25784.

It is an arithmetic number, because the mean of its divisors is an integer number (33235920).

Almost surely, 2^331945395 is an apocalyptic number.

331945395 is a deficient number, since it is larger than the sum of its proper divisors (199829325).

331945395 is a wasteful number, since it uses less digits than its factorization.

331945395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27594.

The product of its digits is 218700, while the sum is 42.

The square root of 331945395 is about 18219.3686773170. The cubic root of 331945395 is about 692.3975928885.

The spelling of 331945395 in words is "three hundred thirty-one million, nine hundred forty-five thousand, three hundred ninety-five".