30221230213 has 4 divisors (see below), whose sum is σ = 31535196768. Its totient is φ = 28907263660.

The previous prime is 30221230199. The next prime is 30221230231. The reversal of 30221230213 is 31203212203.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31203212203 = 9829 ⋅3174607.

It is a cyclic number.

It is not a de Polignac number, because 30221230213 - 2²⁵ = 30187675781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221200213) 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, 656983243 + ... + 656983288.

It is an arithmetic number, because the mean of its divisors is an integer number (7883799192).

Almost surely, 2^30221230213 is an apocalyptic number.

It is an amenable number.

30221230213 is a deficient number, since it is larger than the sum of its proper divisors (1313966555).

30221230213 is a wasteful number, since it uses less digits than its factorization.

30221230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313966554.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30221230213 its reverse (31203212203), we get a palindrome (61424442416).

It can be divided in two parts, 3022 and 1230213, that added together give a triangular number (1233235 = T₁₅₇₀).

The spelling of 30221230213 in words is "thirty billion, two hundred twenty-one million, two hundred thirty thousand, two hundred thirteen".