30134213 has 4 divisors (see below), whose sum is σ = 30269568. Its totient is φ = 29998860.

The previous prime is 30134197. The next prime is 30134231. The reversal of 30134213 is 31243103.

It is a happy number.

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: 31243103 = 3049 ⋅10247.

It is a cyclic number.

It is not a de Polignac number, because 30134213 - 2⁴ = 30134197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30134191 and 30134200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30134413) 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, 67343 + ... + 67788.

It is an arithmetic number, because the mean of its divisors is an integer number (7567392).

Almost surely, 2^30134213 is an apocalyptic number.

It is an amenable number.

30134213 is a deficient number, since it is larger than the sum of its proper divisors (135355).

30134213 is a wasteful number, since it uses less digits than its factorization.

30134213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135354.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30134213 is about 5489.4638171683. The cubic root of 30134213 is about 311.1859290816.

Adding to 30134213 its reverse (31243103), we get a palindrome (61377316).

The spelling of 30134213 in words is "thirty million, one hundred thirty-four thousand, two hundred thirteen".