2311503045 has 64 divisors (see below), whose sum is σ = 3999041280. Its totient is φ = 1136498688.

The previous prime is 2311503041. The next prime is 2311503071. The reversal of 2311503045 is 5403051132.

2311503045 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2311503045 - 2² = 2311503041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311503041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2068827 + ... + 2069943.

It is an arithmetic number, because the mean of its divisors is an integer number (62485020).

Almost surely, 2^2311503045 is an apocalyptic number.

It is an amenable number.

2311503045 is a deficient number, since it is larger than the sum of its proper divisors (1687538235).

2311503045 is a wasteful number, since it uses less digits than its factorization.

2311503045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2311503045 is about 48078.0931922222. The cubic root of 2311503045 is about 1322.2030560571.

Adding to 2311503045 its reverse (5403051132), we get a palindrome (7714554177).

The spelling of 2311503045 in words is "two billion, three hundred eleven million, five hundred three thousand, forty-five".