2311544313 has 36 divisors (see below), whose sum is σ = 3805829040. Its totient is φ = 1347604128.

The previous prime is 2311544311. The next prime is 2311544329. The reversal of 2311544313 is 3134451132.

It is a happy number.

It is not a de Polignac number, because 2311544313 - 2¹ = 2311544311 is a prime.

It is a super-2 number, since 2×2311544313² = 10686474221925283938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2311544311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11095 + ... + 68892.

Almost surely, 2^2311544313 is an apocalyptic number.

It is an amenable number.

2311544313 is a deficient number, since it is larger than the sum of its proper divisors (1494284727).

2311544313 is a wasteful number, since it uses less digits than its factorization.

2311544313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80038 (or 80022 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2311544313 is about 48078.5223670612. The cubic root of 2311544313 is about 1322.2109245811.

Adding to 2311544313 its reverse (3134451132), we get a palindrome (5445995445).

The spelling of 2311544313 in words is "two billion, three hundred eleven million, five hundred forty-four thousand, three hundred thirteen".