30111113 has 4 divisors (see below), whose sum is σ = 30523668. Its totient is φ = 29698560.

The previous prime is 30111091. The next prime is 30111121. The reversal of 30111113 is 31111103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25080064 + 5031049 = 5008^2 + 2243^2 .

It is a cyclic number.

It is not a de Polignac number, because 30111113 - 2¹⁰ = 30110089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30111094 and 30111103.

It is not an unprimeable number, because it can be changed into a prime (30113113) 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, 206168 + ... + 206313.

It is an arithmetic number, because the mean of its divisors is an integer number (7630917).

Almost surely, 2^30111113 is an apocalyptic number.

It is an amenable number.

30111113 is a deficient number, since it is larger than the sum of its proper divisors (412555).

30111113 is an equidigital number, since it uses as much as digits as its factorization.

30111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412554.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 30111113 is about 5487.3593831642. The cubic root of 30111113 is about 311.1063934328.

Adding to 30111113 its reverse (31111103), we get a palindrome (61222216).

The spelling of 30111113 in words is "thirty million, one hundred eleven thousand, one hundred thirteen".