30140424253 has 4 divisors (see below), whose sum is σ = 30143716348. Its totient is φ = 30137132160.

The previous prime is 30140424247. The next prime is 30140424277. The reversal of 30140424253 is 35242404103.

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: 35242404103 = 38447 ⋅916649.

It can be written as a sum of positive squares in 2 ways, for example, as 16225154884 + 13915269369 = 127378^2 + 117963^2 .

It is a cyclic number.

It is not a de Polignac number, because 30140424253 - 2²¹ = 30138327101 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 (30140424053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1632276 + ... + 1650637.

It is an arithmetic number, because the mean of its divisors is an integer number (7535929087).

Almost surely, 2^30140424253 is an apocalyptic number.

It is an amenable number.

30140424253 is a deficient number, since it is larger than the sum of its proper divisors (3292095).

30140424253 is an equidigital number, since it uses as much as digits as its factorization.

30140424253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292094.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 30140424253 its reverse (35242404103), we get a palindrome (65382828356).

The spelling of 30140424253 in words is "thirty billion, one hundred forty million, four hundred twenty-four thousand, two hundred fifty-three".