30814129 has 2 divisors, whose sum is σ = 30814130. Its totient is φ = 30814128.

The previous prime is 30814127. The next prime is 30814141. The reversal of 30814129 is 92141803.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27279729 + 3534400 = 5223^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 30814129 - 2¹ = 30814127 is a prime.

Together with 30814127, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30814097 and 30814106.

It is not a weakly prime, because it can be changed into another prime (30814123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15407064 + 15407065.

It is an arithmetic number, because the mean of its divisors is an integer number (15407065).

Almost surely, 2^30814129 is an apocalyptic number.

It is an amenable number.

30814129 is a deficient number, since it is larger than the sum of its proper divisors (1).

30814129 is an equidigital number, since it uses as much as digits as its factorization.

30814129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 30814129 is about 5551.0475587946. The cubic root of 30814129 is about 313.5089658421.

The spelling of 30814129 in words is "thirty million, eight hundred fourteen thousand, one hundred twenty-nine".