331368445 has 8 divisors (see below), whose sum is σ = 398070360. Its totient is φ = 264809280.

The previous prime is 331368421. The next prime is 331368461. The reversal of 331368445 is 544863133.

It can be written as a sum of positive squares in 4 ways, for example, as 45724644 + 285643801 = 6762^2 + 16901^2 .

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

It is not a de Polignac number, because 331368445 - 2¹⁷ = 331237373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30510 + ... + 39919.

It is an arithmetic number, because the mean of its divisors is an integer number (49758795).

Almost surely, 2^331368445 is an apocalyptic number.

It is an amenable number.

331368445 is a deficient number, since it is larger than the sum of its proper divisors (66701915).

331368445 is an equidigital number, since it uses as much as digits as its factorization.

331368445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71375.

The product of its digits is 103680, while the sum is 37.

The square root of 331368445 is about 18203.5283667755. The cubic root of 331368445 is about 691.9962111513.

The spelling of 331368445 in words is "three hundred thirty-one million, three hundred sixty-eight thousand, four hundred forty-five".