30140113 has 4 divisors (see below), whose sum is σ = 30781440. Its totient is φ = 29498788.

The previous prime is 30140101. The next prime is 30140129. The reversal of 30140113 is 31104103.

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 an emirpimes, since its reverse is a distinct semiprime: 31104103 = 4657 ⋅6679.

It is a cyclic number.

It is not a de Polignac number, because 30140113 - 2⁹ = 30139601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30140093 and 30140102.

It is not an unprimeable number, because it can be changed into a prime (30140413) 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, 320593 + ... + 320686.

It is an arithmetic number, because the mean of its divisors is an integer number (7695360).

Almost surely, 2^30140113 is an apocalyptic number.

It is an amenable number.

30140113 is a deficient number, since it is larger than the sum of its proper divisors (641327).

30140113 is an equidigital number, since it uses as much as digits as its factorization.

30140113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641326.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 30140113 is about 5490.0011839707. The cubic root of 30140113 is about 311.2062368646.

Subtracting from 30140113 its sum of digits (13), we obtain a square (30140100 = 5490²).

Adding to 30140113 its reverse (31104103), we get a palindrome (61244216).

The spelling of 30140113 in words is "thirty million, one hundred forty thousand, one hundred thirteen".