30220302331321 has 16 divisors (see below), whose sum is σ = 30633700550544. Its totient is φ = 29809718636544.

The previous prime is 30220302331319. The next prime is 30220302331343. The reversal of 30220302331321 is 12313320302203.

It can be written as a sum of positive squares in 8 ways, for example, as 18878494913721 + 11341807417600 = 4344939^2 + 3367760^2 .

It is a cyclic number.

It is not a de Polignac number, because 30220302331321 - 2¹ = 30220302331319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30220302331621) 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, 26133825 + ... + 27265681.

It is an arithmetic number, because the mean of its divisors is an integer number (1914606284409).

Almost surely, 2^{30220302331321} is an apocalyptic number.

It is an amenable number.

30220302331321 is a deficient number, since it is larger than the sum of its proper divisors (413398219223).

30220302331321 is a wasteful number, since it uses less digits than its factorization.

30220302331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133100.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30220302331321 its reverse (12313320302203), we get a palindrome (42533622633524).

The spelling of 30220302331321 in words is "thirty trillion, two hundred twenty billion, three hundred two million, three hundred thirty-one thousand, three hundred twenty-one".