331345316378 has 8 divisors (see below), whose sum is σ = 497508617268. Its totient is φ = 165509110624.

The previous prime is 331345316339. The next prime is 331345316417. The reversal of 331345316378 is 873613543133.

It is an interprime number because it is at equal distance from previous prime (331345316339) and next prime (331345316417).

It can be written as a sum of positive squares in 2 ways, for example, as 328829992969 + 2515323409 = 573437^2 + 50153^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 81771251 + ... + 81775302.

Almost surely, 2^331345316378 is an apocalyptic number.

331345316378 is a deficient number, since it is larger than the sum of its proper divisors (166163300890).

331345316378 is a wasteful number, since it uses less digits than its factorization.

331345316378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163547568.

The product of its digits is 1632960, while the sum is 47.

The spelling of 331345316378 in words is "three hundred thirty-one billion, three hundred forty-five million, three hundred sixteen thousand, three hundred seventy-eight".