2311431344 has 20 divisors (see below), whose sum is σ = 4479695424. Its totient is φ = 1155380928.

The previous prime is 2311431319. The next prime is 2311431407. The reversal of 2311431344 is 4431341132.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41729 + ... + 79775.

Almost surely, 2^2311431344 is an apocalyptic number.

It is an amenable number.

2311431344 is a deficient number, since it is larger than the sum of its proper divisors (2168264080).

2311431344 is a wasteful number, since it uses less digits than its factorization.

2311431344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41852 (or 41846 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 2311431344 is about 48077.3475141880. The cubic root of 2311431344 is about 1322.1893846840.

Adding to 2311431344 its reverse (4431341132), we get a palindrome (6742772476).

The spelling of 2311431344 in words is "two billion, three hundred eleven million, four hundred thirty-one thousand, three hundred forty-four".