30381197 has 16 divisors (see below), whose sum is σ = 37999104. Its totient is φ = 23598000.

The previous prime is 30381191. The next prime is 30381199. The reversal of 30381197 is 79118303.

It is a cyclic number.

It is not a de Polignac number, because 30381197 - 2²² = 26186893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30381191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43622 + ... + 44312.

It is an arithmetic number, because the mean of its divisors is an integer number (2374944).

Almost surely, 2^30381197 is an apocalyptic number.

It is an amenable number.

30381197 is a deficient number, since it is larger than the sum of its proper divisors (7617907).

30381197 is a wasteful number, since it uses less digits than its factorization.

30381197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 30381197 is about 5511.9140958473. The cubic root of 30381197 is about 312.0337905820.

The spelling of 30381197 in words is "thirty million, three hundred eighty-one thousand, one hundred ninety-seven".