30040304253 has 4 divisors (see below), whose sum is σ = 40053739008. Its totient is φ = 20026869500.

The previous prime is 30040304251. The next prime is 30040304279. The reversal of 30040304253 is 35240304003.

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.

It is a cyclic number.

It is not a de Polignac number, because 30040304253 - 2¹ = 30040304251 is a prime.

It is a super-2 number, since 2×30040304253² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30040304251) 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, 5006717373 + ... + 5006717378.

It is an arithmetic number, because the mean of its divisors is an integer number (10013434752).

Almost surely, 2^30040304253 is an apocalyptic number.

It is an amenable number.

30040304253 is a deficient number, since it is larger than the sum of its proper divisors (10013434755).

30040304253 is a wasteful number, since it uses less digits than its factorization.

30040304253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013434754.

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 30040304253 its reverse (35240304003), we get a palindrome (65280608256).

The spelling of 30040304253 in words is "thirty billion, forty million, three hundred four thousand, two hundred fifty-three".