331612704 has 120 divisors (see below), whose sum is σ = 1006967808. Its totient is φ = 106945920.

The previous prime is 331612669. The next prime is 331612751. The reversal of 331612704 is 407216133.

331612704 is a `hidden beast` number, since 331 + 61 + 270 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 78289 + ... + 82415.

Almost surely, 2^331612704 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 331612704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503483904).

331612704 is an abundant number, since it is smaller than the sum of its proper divisors (675355104).

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

331612704 is a wasteful number, since it uses less digits than its factorization.

331612704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180 (or 4163 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 331612704 is about 18210.2362422897. The cubic root of 331612704 is about 692.1661979550.

Adding to 331612704 its reverse (407216133), we get a palindrome (738828837).

The spelling of 331612704 in words is "three hundred thirty-one million, six hundred twelve thousand, seven hundred four".