2311544056 has 8 divisors (see below), whose sum is σ = 4334145120. Its totient is φ = 1155772024.

The previous prime is 2311543987. The next prime is 2311544069. The reversal of 2311544056 is 6504451132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2311544056² = 10686471845657862272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 144471496 + ... + 144471511.

It is an arithmetic number, because the mean of its divisors is an integer number (541768140).

Almost surely, 2^2311544056 is an apocalyptic number.

It is an amenable number.

2311544056 is a deficient number, since it is larger than the sum of its proper divisors (2022601064).

2311544056 is a wasteful number, since it uses less digits than its factorization.

2311544056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288943013 (or 288943009 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2311544056 is about 48078.5196943500. The cubic root of 2311544056 is about 1322.2108755794.

Adding to 2311544056 its reverse (6504451132), we get a palindrome (8815995188).

The spelling of 2311544056 in words is "two billion, three hundred eleven million, five hundred forty-four thousand, fifty-six".