305232660213 has 16 divisors (see below), whose sum is σ = 438516899520. Its totient is φ = 187735152384.

The previous prime is 305232660203. The next prime is 305232660253. The reversal of 305232660213 is 312066232503.

It is not a de Polignac number, because 305232660213 - 2⁹ = 305232659701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305232660203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016243 + ... + 2162336.

It is an arithmetic number, because the mean of its divisors is an integer number (27407306220).

Almost surely, 2^305232660213 is an apocalyptic number.

It is an amenable number.

305232660213 is a deficient number, since it is larger than the sum of its proper divisors (133284239307).

305232660213 is a wasteful number, since it uses less digits than its factorization.

305232660213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180468.

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 305232660213 its reverse (312066232503), we get a palindrome (617298892716).

The spelling of 305232660213 in words is "three hundred five billion, two hundred thirty-two million, six hundred sixty thousand, two hundred thirteen".