2311420253 has 4 divisors (see below), whose sum is σ = 2313426108. Its totient is φ = 2309414400.

The previous prime is 2311420231. The next prime is 2311420273. The reversal of 2311420253 is 3520241132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1687319929 + 624100324 = 41077^2 + 24982^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311420253 - 2¹² = 2311416157 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 (2311420273) 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, 1001198 + ... + 1003503.

It is an arithmetic number, because the mean of its divisors is an integer number (578356527).

Almost surely, 2^2311420253 is an apocalyptic number.

It is an amenable number.

2311420253 is a deficient number, since it is larger than the sum of its proper divisors (2005855).

2311420253 is a wasteful number, since it uses less digits than its factorization.

2311420253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005854.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2311420253 is about 48077.2321686679. The cubic root of 2311420253 is about 1322.1872699156.

Adding to 2311420253 its reverse (3520241132), we get a palindrome (5831661385).

The spelling of 2311420253 in words is "two billion, three hundred eleven million, four hundred twenty thousand, two hundred fifty-three".