30113819 has 8 divisors (see below), whose sum is σ = 31039008. Its totient is φ = 29194560.

The previous prime is 30113813. The next prime is 30113821. The reversal of 30113819 is 91831103.

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 30113819 - 2⁸ = 30113563 is a prime.

It is a super-2 number, since 2×30113819² = 1813684189529522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30113813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10199 + ... + 12815.

It is an arithmetic number, because the mean of its divisors is an integer number (3879876).

Almost surely, 2^30113819 is an apocalyptic number.

30113819 is a deficient number, since it is larger than the sum of its proper divisors (925189).

30113819 is a wasteful number, since it uses less digits than its factorization.

30113819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 30113819 is about 5487.6059443076. The cubic root of 30113819 is about 311.1157125689.

The spelling of 30113819 in words is "thirty million, one hundred thirteen thousand, eight hundred nineteen".