30302321013 has 24 divisors (see below), whose sum is σ = 45458127000. Its totient is φ = 19434691584.

The previous prime is 30302321003. The next prime is 30302321017. The reversal of 30302321013 is 31012320303.

30302321013 is a `hidden beast` number, since 30 + 302 + 321 + 0 + 13 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9067419729 + 21234901284 = 95223^2 + 145722^2 .

It is not a de Polignac number, because 30302321013 - 2¹⁴ = 30302304629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302321017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481588 + ... + 540861.

It is an arithmetic number, because the mean of its divisors is an integer number (1894088625).

Almost surely, 2^30302321013 is an apocalyptic number.

It is an amenable number.

30302321013 is a deficient number, since it is larger than the sum of its proper divisors (15155805987).

30302321013 is a wasteful number, since it uses less digits than its factorization.

30302321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022581 (or 1022578 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30302321013 its reverse (31012320303), we get a palindrome (61314641316).

The spelling of 30302321013 in words is "thirty billion, three hundred two million, three hundred twenty-one thousand, thirteen".