30113453 has 4 divisors (see below), whose sum is σ = 30411708. Its totient is φ = 29815200.

The previous prime is 30113441. The next prime is 30113471. The reversal of 30113453 is 35431103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35431103 = 101 ⋅350803.

It can be written as a sum of positive squares in 2 ways, for example, as 27008809 + 3104644 = 5197^2 + 1762^2 .

It is not a de Polignac number, because 30113453 - 2¹⁰ = 30112429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30113353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148976 + ... + 149177.

It is an arithmetic number, because the mean of its divisors is an integer number (7602927).

Almost surely, 2^30113453 is an apocalyptic number.

It is an amenable number.

30113453 is a deficient number, since it is larger than the sum of its proper divisors (298255).

30113453 is a wasteful number, since it uses less digits than its factorization.

30113453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298254.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 30113453 is about 5487.5725963307. The cubic root of 30113453 is about 311.1144521419.

Adding to 30113453 its reverse (35431103), we get a palindrome (65544556).

The spelling of 30113453 in words is "thirty million, one hundred thirteen thousand, four hundred fifty-three".