30221103521413 has 4 divisors (see below), whose sum is σ = 34538404024480. Its totient is φ = 25903803018348.

The previous prime is 30221103521381. The next prime is 30221103521437. The reversal of 30221103521413 is 31412530112203.

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 30221103521413 - 2⁵ = 30221103521381 is a prime.

It is a super-2 number, since 2×30221103521413² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221103521113) 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, 2158650251523 + ... + 2158650251536.

It is an arithmetic number, because the mean of its divisors is an integer number (8634601006120).

Almost surely, 2^{30221103521413} is an apocalyptic number.

It is an amenable number.

30221103521413 is a deficient number, since it is larger than the sum of its proper divisors (4317300503067).

30221103521413 is an equidigital number, since it uses as much as digits as its factorization.

30221103521413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317300503066.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 30221103521413 its reverse (31412530112203), we get a palindrome (61633633633616).

The spelling of 30221103521413 in words is "thirty trillion, two hundred twenty-one billion, one hundred three million, five hundred twenty-one thousand, four hundred thirteen".