331630348 has 12 divisors (see below), whose sum is σ = 663260752. Its totient is φ = 142127280.

The previous prime is 331630331. The next prime is 331630349. The reversal of 331630348 is 843036133.

331630348 is an admirable number.

It is a super-2 number, since 2×331630348² = 219957375429202208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331630349) 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, 5921943 + ... + 5921998.

Almost surely, 2^331630348 is an apocalyptic number.

It is an amenable number.

331630348 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

331630348 is a wasteful number, since it uses less digits than its factorization.

331630348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11843952 (or 11843950 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 331630348 is about 18210.7206886493. The cubic root of 331630348 is about 692.1784736848.

The spelling of 331630348 in words is "three hundred thirty-one million, six hundred thirty thousand, three hundred forty-eight".