30344129 has 4 divisors (see below), whose sum is σ = 30759876. Its totient is φ = 29928384.

The previous prime is 30344101. The next prime is 30344147. The reversal of 30344129 is 92144303.

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 8254129 + 22090000 = 2873^2 + 4700^2 .

It is a cyclic number.

It is not a de Polignac number, because 30344129 - 2¹² = 30340033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30344098 and 30344107.

It is not an unprimeable number, because it can be changed into a prime (30344189) 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, 207764 + ... + 207909.

It is an arithmetic number, because the mean of its divisors is an integer number (7689969).

Almost surely, 2^30344129 is an apocalyptic number.

It is an amenable number.

30344129 is a deficient number, since it is larger than the sum of its proper divisors (415747).

30344129 is an equidigital number, since it uses as much as digits as its factorization.

30344129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415746.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 30344129 is about 5508.5505353042. The cubic root of 30344129 is about 311.9068351298.

The spelling of 30344129 in words is "thirty million, three hundred forty-four thousand, one hundred twenty-nine".