330045231 has 4 divisors (see below), whose sum is σ = 440060312. Its totient is φ = 220030152.

The previous prime is 330045227. The next prime is 330045299. The reversal of 330045231 is 132540033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132540033 = 3 ⋅44180011.

It is not a de Polignac number, because 330045231 - 2² = 330045227 is a prime.

It is a super-2 number, since 2×330045231² = 217859709011686722, 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 = 330045198 and 330045207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330045431) 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, 55007536 + ... + 55007541.

It is an arithmetic number, because the mean of its divisors is an integer number (110015078).

Almost surely, 2^330045231 is an apocalyptic number.

330045231 is a deficient number, since it is larger than the sum of its proper divisors (110015081).

330045231 is a wasteful number, since it uses less digits than its factorization.

330045231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110015080.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 330045231 is about 18167.1470242303. The cubic root of 330045231 is about 691.0738938166.

Adding to 330045231 its reverse (132540033), we get a palindrome (462585264).

The spelling of 330045231 in words is "three hundred thirty million, forty-five thousand, two hundred thirty-one".