30123310213 has 4 divisors (see below), whose sum is σ = 30360501760. Its totient is φ = 29886118668.

The previous prime is 30123310199. The next prime is 30123310219. The reversal of 30123310213 is 31201332103.

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 30123310213 - 2⁵ = 30123310181 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 (30123310219) 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, 118595583 + ... + 118595836.

It is an arithmetic number, because the mean of its divisors is an integer number (7590125440).

Almost surely, 2^30123310213 is an apocalyptic number.

It is an amenable number.

30123310213 is a deficient number, since it is larger than the sum of its proper divisors (237191547).

30123310213 is a wasteful number, since it uses less digits than its factorization.

30123310213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237191546.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30123310213 its reverse (31201332103), we get a palindrome (61324642316).

The spelling of 30123310213 in words is "thirty billion, one hundred twenty-three million, three hundred ten thousand, two hundred thirteen".