30884129 has 2 divisors, whose sum is σ = 30884130. Its totient is φ = 30884128.

The previous prime is 30884059. The next prime is 30884131. The reversal of 30884129 is 92148803.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30547729 + 336400 = 5527^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 30884129 - 2¹² = 30880033 is a prime.

Together with 30884131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30884149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15442064 + 15442065.

It is an arithmetic number, because the mean of its divisors is an integer number (15442065).

Almost surely, 2^30884129 is an apocalyptic number.

It is an amenable number.

30884129 is a deficient number, since it is larger than the sum of its proper divisors (1).

30884129 is an equidigital number, since it uses as much as digits as its factorization.

30884129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 30884129 is about 5557.3490982662. The cubic root of 30884129 is about 313.7461841941.

It can be divided in two parts, 30884 and 129, that added together give a palindrome (31013).

The spelling of 30884129 in words is "thirty million, eight hundred eighty-four thousand, one hundred twenty-nine".