331240648 has 32 divisors (see below), whose sum is σ = 659599200. Its totient is φ = 155406592.

The previous prime is 331240627. The next prime is 331240667. The reversal of 331240648 is 846042133.

It is a super-3 number, since 3×331240648³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43683 + ... + 50701.

It is an arithmetic number, because the mean of its divisors is an integer number (20612475).

Almost surely, 2^331240648 is an apocalyptic number.

It is an amenable number.

331240648 is a deficient number, since it is larger than the sum of its proper divisors (328358552).

331240648 is a wasteful number, since it uses less digits than its factorization.

331240648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7389 (or 7385 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 331240648 is about 18200.0178021891. The cubic root of 331240648 is about 691.9072402868.

The spelling of 331240648 in words is "three hundred thirty-one million, two hundred forty thousand, six hundred forty-eight".