331359394 has 8 divisors (see below), whose sum is σ = 514178460. Its totient is φ = 159966576.

The previous prime is 331359361. The next prime is 331359397. The reversal of 331359394 is 493953133.

It can be written as a sum of positive squares in 2 ways, for example, as 317018025 + 14341369 = 17805^2 + 3787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (331359397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2856489 + ... + 2856604.

Almost surely, 2^331359394 is an apocalyptic number.

331359394 is a deficient number, since it is larger than the sum of its proper divisors (182819066).

331359394 is a wasteful number, since it uses less digits than its factorization.

331359394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713124.

The product of its digits is 131220, while the sum is 40.

The square root of 331359394 is about 18203.2797594280. The cubic root of 331359394 is about 691.9899106975.

The spelling of 331359394 in words is "three hundred thirty-one million, three hundred fifty-nine thousand, three hundred ninety-four".