30934129 has 4 divisors (see below), whose sum is σ = 30953584. Its totient is φ = 30914676.

The previous prime is 30934121. The next prime is 30934133. The reversal of 30934129 is 92143903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30934129 - 2³ = 30934121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30934129.

It is not an unprimeable number, because it can be changed into a prime (30934121) 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, 7107 + ... + 10600.

It is an arithmetic number, because the mean of its divisors is an integer number (7738396).

Almost surely, 2^30934129 is an apocalyptic number.

It is an amenable number.

30934129 is a deficient number, since it is larger than the sum of its proper divisors (19455).

30934129 is a wasteful number, since it uses less digits than its factorization.

30934129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19454.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 30934129 is about 5561.8458267018. The cubic root of 30934129 is about 313.9154065060.

The spelling of 30934129 in words is "thirty million, nine hundred thirty-four thousand, one hundred twenty-nine".