331538068 has 36 divisors (see below), whose sum is σ = 614903520. Its totient is φ = 156387024.

The previous prime is 331538057. The next prime is 331538089. The reversal of 331538068 is 860835133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 633655 + ... + 634177.

Almost surely, 2^331538068 is an apocalyptic number.

331538068 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

331538068 is a deficient number, since it is larger than the sum of its proper divisors (283365452).

331538068 is a wasteful number, since it uses less digits than its factorization.

331538068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 331538068 is about 18208.1868399904. The cubic root of 331538068 is about 692.1142654929.

The spelling of 331538068 in words is "three hundred thirty-one million, five hundred thirty-eight thousand, sixty-eight".