331663024 has 80 divisors (see below), whose sum is σ = 828875520. Its totient is φ = 124750080.

The previous prime is 331663001. The next prime is 331663043. The reversal of 331663024 is 420366133.

It is a super-2 number, since 2×331663024² = 220000722977649152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 331662983 and 331663001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31087 + ... + 40369.

It is an arithmetic number, because the mean of its divisors is an integer number (10360944).

Almost surely, 2^331663024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331663024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414437760).

331663024 is an abundant number, since it is smaller than the sum of its proper divisors (497212496).

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

331663024 is a wasteful number, since it uses less digits than its factorization.

331663024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338 (or 9332 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 331663024 is about 18211.6178303851. The cubic root of 331663024 is about 692.2012067078.

The spelling of 331663024 in words is "three hundred thirty-one million, six hundred sixty-three thousand, twenty-four".