331681196 has 36 divisors (see below), whose sum is σ = 736595496. Its totient is φ = 129225600.

The previous prime is 331681187. The next prime is 331681199. The reversal of 331681196 is 691186133.

It is a super-2 number, since 2×331681196² = 220024831559980832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331681199) 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, 74765 + ... + 79076.

It is an arithmetic number, because the mean of its divisors is an integer number (20460986).

Almost surely, 2^331681196 is an apocalyptic number.

It is an amenable number.

331681196 is an abundant number, since it is smaller than the sum of its proper divisors (404914300).

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

331681196 is a wasteful number, since it uses less digits than its factorization.

331681196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153870 (or 153861 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 331681196 is about 18212.1167358437. The cubic root of 331681196 is about 692.2138485055.

The spelling of 331681196 in words is "three hundred thirty-one million, six hundred eighty-one thousand, one hundred ninety-six".