331316890 has 8 divisors (see below), whose sum is σ = 596370420. Its totient is φ = 132526752.

The previous prime is 331316879. The next prime is 331316899. The reversal of 331316890 is 98613133.

It can be written as a sum of positive squares in 2 ways, for example, as 301821129 + 29495761 = 17373^2 + 5431^2 .

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 (331316899) 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, 16565835 + ... + 16565854.

Almost surely, 2^331316890 is an apocalyptic number.

331316890 is a deficient number, since it is larger than the sum of its proper divisors (265053530).

331316890 is a wasteful number, since it uses less digits than its factorization.

331316890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33131696.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 331316890 is about 18202.1122400671. The cubic root of 331316890 is about 691.9603218810.

The spelling of 331316890 in words is "three hundred thirty-one million, three hundred sixteen thousand, eight hundred ninety".