330605231 has 4 divisors (see below), whose sum is σ = 360660264. Its totient is φ = 300550200.

The previous prime is 330605221. The next prime is 330605237. The reversal of 330605231 is 132506033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132506033 = 11 ⋅12046003.

It is a cyclic number.

It is not a de Polignac number, because 330605231 - 2⁶ = 330605167 is a prime.

It is a super-2 number, since 2×330605231² = 218599637529126722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330605197 and 330605206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330605237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15027500 + ... + 15027521.

It is an arithmetic number, because the mean of its divisors is an integer number (90165066).

Almost surely, 2^330605231 is an apocalyptic number.

330605231 is a deficient number, since it is larger than the sum of its proper divisors (30055033).

330605231 is a wasteful number, since it uses less digits than its factorization.

330605231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30055032.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 330605231 is about 18182.5529285631. The cubic root of 330605231 is about 691.4645298774.

The spelling of 330605231 in words is "three hundred thirty million, six hundred five thousand, two hundred thirty-one".