30514213 has 4 divisors (see below), whose sum is σ = 31014508. Its totient is φ = 30013920.

The previous prime is 30514193. The next prime is 30514217. The reversal of 30514213 is 31241503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31241503 = 59 ⋅529517.

It can be written as a sum of positive squares in 2 ways, for example, as 2614689 + 27899524 = 1617^2 + 5282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30514213 is a prime.

It is a super-2 number, since 2×30514213² = 1862234390018738, which 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 (30514217) 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, 250056 + ... + 250177.

It is an arithmetic number, because the mean of its divisors is an integer number (7753627).

Almost surely, 2^30514213 is an apocalyptic number.

It is an amenable number.

30514213 is a deficient number, since it is larger than the sum of its proper divisors (500295).

30514213 is an equidigital number, since it uses as much as digits as its factorization.

30514213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500294.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30514213 is about 5523.9671432767. The cubic root of 30514213 is about 312.4885132844.

Adding to 30514213 its reverse (31241503), we get a palindrome (61755716).

The spelling of 30514213 in words is "thirty million, five hundred fourteen thousand, two hundred thirteen".