30211223213 has 4 divisors (see below), whose sum is σ = 30593643840. Its totient is φ = 29828802588.

The previous prime is 30211223191. The next prime is 30211223249. The reversal of 30211223213 is 31232211203.

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: 31232211203 = 983 ⋅31772341.

It is a cyclic number.

It is not a de Polignac number, because 30211223213 - 2¹⁶ = 30211157677 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 (30211223513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191210195 + ... + 191210352.

It is an arithmetic number, because the mean of its divisors is an integer number (7648410960).

Almost surely, 2^30211223213 is an apocalyptic number.

It is an amenable number.

30211223213 is a deficient number, since it is larger than the sum of its proper divisors (382420627).

30211223213 is an equidigital number, since it uses as much as digits as its factorization.

30211223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382420626.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30211223213 its reverse (31232211203), we get a palindrome (61443434416).

The spelling of 30211223213 in words is "thirty billion, two hundred eleven million, two hundred twenty-three thousand, two hundred thirteen".