331033230 has 160 divisors (see below), whose sum is σ = 990763488. Its totient is φ = 78624000.

The previous prime is 331033229. The next prime is 331033243. The reversal of 331033230 is 32330133.

331033230 is a `hidden beast` number, since 331 + 0 + 332 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 471880 + ... + 472580.

Almost surely, 2^331033230 is an apocalyptic number.

331033230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 331033230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495381744).

331033230 is an abundant number, since it is smaller than the sum of its proper divisors (659730258).

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

331033230 is a wasteful number, since it uses less digits than its factorization.

331033230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 331033230 is about 18194.3186187337. The cubic root of 331033230 is about 691.7627894344.

Adding to 331033230 its reverse (32330133), we get a palindrome (363363363).

The spelling of 331033230 in words is "three hundred thirty-one million, thirty-three thousand, two hundred thirty".