2313145505 has 24 divisors (see below), whose sum is σ = 3060540672. Its totient is φ = 1677060000.

The previous prime is 2313145501. The next prime is 2313145529. The reversal of 2313145505 is 5055413132.

It is not a de Polignac number, because 2313145505 - 2² = 2313145501 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2313145501) 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 23 ways as a sum of consecutive naturals, for example, 194480 + ... + 206030.

It is an arithmetic number, because the mean of its divisors is an integer number (127522528).

Almost surely, 2^2313145505 is an apocalyptic number.

It is an amenable number.

2313145505 is a deficient number, since it is larger than the sum of its proper divisors (747395167).

2313145505 is a wasteful number, since it uses less digits than its factorization.

2313145505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11909 (or 11898 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2313145505 is about 48095.1713272757. The cubic root of 2313145505 is about 1322.5161498070.

Adding to 2313145505 its reverse (5055413132), we get a palindrome (7368558637).

The spelling of 2313145505 in words is "two billion, three hundred thirteen million, one hundred forty-five thousand, five hundred five".