331481242 has 8 divisors (see below), whose sum is σ = 497356596. Its totient is φ = 165695712.

The previous prime is 331481237. The next prime is 331481243. The reversal of 331481242 is 242184133.

It can be written as a sum of positive squares in 2 ways, for example, as 289374121 + 42107121 = 17011^2 + 6489^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 331481242.

It is not an unprimeable number, because it can be changed into a prime (331481243) 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, 12313 + ... + 28540.

Almost surely, 2^331481242 is an apocalyptic number.

331481242 is a deficient number, since it is larger than the sum of its proper divisors (165875354).

331481242 is a wasteful number, since it uses less digits than its factorization.

331481242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44912.

The product of its digits is 4608, while the sum is 28.

The square root of 331481242 is about 18206.6263212051. The cubic root of 331481242 is about 692.0747201774.

The spelling of 331481242 in words is "three hundred thirty-one million, four hundred eighty-one thousand, two hundred forty-two".