30643113 has 8 divisors (see below), whose sum is σ = 41854176. Its totient is φ = 19930400.

The previous prime is 30643087. The next prime is 30643117. The reversal of 30643113 is 31134603.

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 30643113 - 2¹² = 30639017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30643113.

It is not an unprimeable number, because it can be changed into a prime (30643117) 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, 124443 + ... + 124688.

It is an arithmetic number, because the mean of its divisors is an integer number (5231772).

Almost surely, 2^30643113 is an apocalyptic number.

It is an amenable number.

30643113 is a deficient number, since it is larger than the sum of its proper divisors (11211063).

30643113 is a wasteful number, since it uses less digits than its factorization.

30643113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249175.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30643113 is about 5535.6221872523. The cubic root of 30643113 is about 312.9279061741.

Adding to 30643113 its reverse (31134603), we get a palindrome (61777716).

The spelling of 30643113 in words is "thirty million, six hundred forty-three thousand, one hundred thirteen".