30313120331321 has 8 divisors (see below), whose sum is σ = 31908598942080. Its totient is φ = 28717646843088.

The previous prime is 30313120331147. The next prime is 30313120331363. The reversal of 30313120331321 is 12313302131303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30313120331321 is a prime.

It is a super-2 number, since 2×30313120331321² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30313120331821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19574960 + ... + 21066686.

It is an arithmetic number, because the mean of its divisors is an integer number (3988574867760).

Almost surely, 2^{30313120331321} is an apocalyptic number.

It is an amenable number.

30313120331321 is a deficient number, since it is larger than the sum of its proper divisors (1595478610759).

30313120331321 is a wasteful number, since it uses less digits than its factorization.

30313120331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561263.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 30313120331321 its reverse (12313302131303), we get a palindrome (42626422462624).

The spelling of 30313120331321 in words is "thirty trillion, three hundred thirteen billion, one hundred twenty million, three hundred thirty-one thousand, three hundred twenty-one".