30122413 has 4 divisors (see below), whose sum is σ = 30857148. Its totient is φ = 29387680.

The previous prime is 30122401. The next prime is 30122423. The reversal of 30122413 is 31422103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11269449 + 18852964 = 3357^2 + 4342^2 .

It is a cyclic number.

It is not a de Polignac number, because 30122413 - 2⁵ = 30122381 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 (30122423) 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, 367306 + ... + 367387.

It is an arithmetic number, because the mean of its divisors is an integer number (7714287).

Almost surely, 2^30122413 is an apocalyptic number.

It is an amenable number.

30122413 is a deficient number, since it is larger than the sum of its proper divisors (734735).

30122413 is an equidigital number, since it uses as much as digits as its factorization.

30122413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734734.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30122413 is about 5488.3889257231. The cubic root of 30122413 is about 311.1453055622.

Adding to 30122413 its reverse (31422103), we get a palindrome (61544516).

The spelling of 30122413 in words is "thirty million, one hundred twenty-two thousand, four hundred thirteen".