30410340253 has 4 divisors (see below), whose sum is σ = 30410689248. Its totient is φ = 30409991260.

The previous prime is 30410340217. The next prime is 30410340271. The reversal of 30410340253 is 35204301403.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35204301403 = 17 ⋅2070841259.

It is a cyclic number.

It is not a de Polignac number, because 30410340253 - 2²⁹ = 29873469341 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 (30410340853) 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, 77898 + ... + 258628.

It is an arithmetic number, because the mean of its divisors is an integer number (7602672312).

Almost surely, 2^30410340253 is an apocalyptic number.

It is an amenable number.

30410340253 is a deficient number, since it is larger than the sum of its proper divisors (348995).

30410340253 is a wasteful number, since it uses less digits than its factorization.

30410340253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348994.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 30410340253 its reverse (35204301403), we get a palindrome (65614641656).

The spelling of 30410340253 in words is "thirty billion, four hundred ten million, three hundred forty thousand, two hundred fifty-three".