30542107 has 4 divisors (see below), whose sum is σ = 30625696. Its totient is φ = 30458520.

The previous prime is 30542093. The next prime is 30542119. The reversal of 30542107 is 70124503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70124503 = 179 ⋅391757.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30542107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30542147) 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 in 3 ways as a sum of consecutive naturals, for example, 41244 + ... + 41977.

It is an arithmetic number, because the mean of its divisors is an integer number (7656424).

Almost surely, 2^30542107 is an apocalyptic number.

30542107 is a deficient number, since it is larger than the sum of its proper divisors (83589).

30542107 is an equidigital number, since it uses as much as digits as its factorization.

30542107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83588.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 30542107 is about 5526.4913824234. The cubic root of 30542107 is about 312.5837028050.

The spelling of 30542107 in words is "thirty million, five hundred forty-two thousand, one hundred seven".