331315450 has 12 divisors (see below), whose sum is σ = 616246830. Its totient is φ = 132526160.

The previous prime is 331315447. The next prime is 331315471. The reversal of 331315450 is 54513133.

331315450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 224130841 + 107184609 = 14971^2 + 10353^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3313105 + ... + 3313204.

Almost surely, 2^331315450 is an apocalyptic number.

331315450 is a deficient number, since it is larger than the sum of its proper divisors (284931380).

331315450 is a wasteful number, since it uses less digits than its factorization.

331315450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6626321 (or 6626316 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 331315450 is about 18202.0726841753. The cubic root of 331315450 is about 691.9593193923.

Adding to 331315450 its reverse (54513133), we get a palindrome (385828583).

The spelling of 331315450 in words is "three hundred thirty-one million, three hundred fifteen thousand, four hundred fifty".