30199871 has 8 divisors (see below), whose sum is σ = 34436304. Its totient is φ = 26236800.

The previous prime is 30199861. The next prime is 30199879. The reversal of 30199871 is 17899103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30199871 - 2¹⁴ = 30183487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30199879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68105 + ... + 68546.

It is an arithmetic number, because the mean of its divisors is an integer number (4304538).

Almost surely, 2^30199871 is an apocalyptic number.

30199871 is a deficient number, since it is larger than the sum of its proper divisors (4236433).

30199871 is a wasteful number, since it uses less digits than its factorization.

30199871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136681.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 30199871 is about 5495.4409286244. The cubic root of 30199871 is about 311.4117745278.

The spelling of 30199871 in words is "thirty million, one hundred ninety-nine thousand, eight hundred seventy-one".