30102113 has 4 divisors (see below), whose sum is σ = 30113328. Its totient is φ = 30090900.

The previous prime is 30102091. The next prime is 30102131. The reversal of 30102113 is 31120103.

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.

It is a cyclic number.

It is not a de Polignac number, because 30102113 - 2⁸ = 30101857 is a prime.

It is a super-2 number, since 2×30102113² = 1812274414129538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30102094 and 30102103.

It is not an unprimeable number, because it can be changed into a prime (30102613) 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, 1070 + ... + 7832.

It is an arithmetic number, because the mean of its divisors is an integer number (7528332).

Almost surely, 2^30102113 is an apocalyptic number.

It is an amenable number.

30102113 is a deficient number, since it is larger than the sum of its proper divisors (11215).

30102113 is an equidigital number, since it uses as much as digits as its factorization.

30102113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11214.

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

The square root of 30102113 is about 5486.5392553047. The cubic root of 30102113 is about 311.0753945062.

Adding to 30102113 its reverse (31120103), we get a palindrome (61222216).

The spelling of 30102113 in words is "thirty million, one hundred two thousand, one hundred thirteen".