330730613 has 4 divisors (see below), whose sum is σ = 330973920. Its totient is φ = 330487308.

The previous prime is 330730607. The next prime is 330730633. The reversal of 330730613 is 316037033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 330730613 - 2⁸ = 330730357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330730633) 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, 119603 + ... + 122336.

It is an arithmetic number, because the mean of its divisors is an integer number (82743480).

Almost surely, 2^330730613 is an apocalyptic number.

It is an amenable number.

330730613 is a deficient number, since it is larger than the sum of its proper divisors (243307).

330730613 is a wasteful number, since it uses less digits than its factorization.

330730613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243306.

The product of its (nonzero) digits is 3402, while the sum is 26.

The square root of 330730613 is about 18186.0004673925. Note that the first 3 decimals coincide. The cubic root of 330730613 is about 691.5519314467.

Adding to 330730613 its reverse (316037033), we get a palindrome (646767646).

The spelling of 330730613 in words is "three hundred thirty million, seven hundred thirty thousand, six hundred thirteen".