331808106 has 24 divisors (see below), whose sum is σ = 771962400. Its totient is φ = 94802232.

The previous prime is 331808101. The next prime is 331808117. The reversal of 331808106 is 601808133.

It is a super-2 number, since 2×331808106² = 220193238414614472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331808101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564006 + ... + 564593.

It is an arithmetic number, because the mean of its divisors is an integer number (32165100).

Almost surely, 2^331808106 is an apocalyptic number.

331808106 is an abundant number, since it is smaller than the sum of its proper divisors (440154294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331808106 is a wasteful number, since it uses less digits than its factorization.

331808106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128618 (or 1128611 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 331808106 is about 18215.6006214453. The cubic root of 331808106 is about 692.3021236912.

The spelling of 331808106 in words is "three hundred thirty-one million, eight hundred eight thousand, one hundred six".