30013129 has 2 divisors, whose sum is σ = 30013130. Its totient is φ = 30013128.

The previous prime is 30013121. The next prime is 30013133. The reversal of 30013129 is 92131003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19123129 + 10890000 = 4373^2 + 3300^2 .

It is a cyclic number.

It is not a de Polignac number, because 30013129 - 2³ = 30013121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30013121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006564 + 15006565.

It is an arithmetic number, because the mean of its divisors is an integer number (15006565).

Almost surely, 2^30013129 is an apocalyptic number.

It is an amenable number.

30013129 is a deficient number, since it is larger than the sum of its proper divisors (1).

30013129 is an equidigital number, since it uses as much as digits as its factorization.

30013129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 30013129 is about 5478.4239521965. The cubic root of 30013129 is about 310.7685716020.

The spelling of 30013129 in words is "thirty million, thirteen thousand, one hundred twenty-nine".