30998150 has 24 divisors (see below), whose sum is σ = 57861624. Its totient is φ = 12355200.

The previous prime is 30998131. The next prime is 30998161. The reversal of 30998150 is 5189903.

It is a self number, because there is not a number n which added to its sum of digits gives 30998150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15614 + ... + 17486.

It is an arithmetic number, because the mean of its divisors is an integer number (2410901).

Almost surely, 2^30998150 is an apocalyptic number.

30998150 is a deficient number, since it is larger than the sum of its proper divisors (26863474).

30998150 is a wasteful number, since it uses less digits than its factorization.

30998150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216 (or 2211 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 30998150 is about 5567.5982254469. The cubic root of 30998150 is about 314.1318161318.

The spelling of 30998150 in words is "thirty million, nine hundred ninety-eight thousand, one hundred fifty".