30012113 has 4 divisors (see below), whose sum is σ = 30023280. Its totient is φ = 30000948.

The previous prime is 30012107. The next prime is 30012139. The reversal of 30012113 is 31121003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31121003 = 47 ⋅662149.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30012113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012094 and 30012103.

It is not an unprimeable number, because it can be changed into a prime (30012163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178 + ... + 7836.

It is an arithmetic number, because the mean of its divisors is an integer number (7505820).

Almost surely, 2^30012113 is an apocalyptic number.

It is an amenable number.

30012113 is a deficient number, since it is larger than the sum of its proper divisors (11167).

30012113 is an equidigital number, since it uses as much as digits as its factorization.

30012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11166.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 30012113 is about 5478.3312240134. The cubic root of 30012113 is about 310.7650648652.

Adding to 30012113 its reverse (31121003), we get a palindrome (61133116).

The spelling of 30012113 in words is "thirty million, twelve thousand, one hundred thirteen".