30394151 has 4 divisors (see below), whose sum is σ = 30524832. Its totient is φ = 30263472.

The previous prime is 30394139. The next prime is 30394153. The reversal of 30394151 is 15149303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30394151 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 30394151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30394153) 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, 64991 + ... + 65456.

It is an arithmetic number, because the mean of its divisors is an integer number (7631208).

Almost surely, 2^30394151 is an apocalyptic number.

30394151 is a deficient number, since it is larger than the sum of its proper divisors (130681).

30394151 is a wasteful number, since it uses less digits than its factorization.

30394151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130680.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 30394151 is about 5513.0890614972. The cubic root of 30394151 is about 312.0781328262.

The spelling of 30394151 in words is "thirty million, three hundred ninety-four thousand, one hundred fifty-one".