2311868736 has 112 divisors (see below), whose sum is σ = 7092086400. Its totient is φ = 737104896.

The previous prime is 2311868729. The next prime is 2311868747. The reversal of 2311868736 is 6378681132.

It is a junction number, because it is equal to n+sod(n) for n = 2311868691 and 2311868700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10660 + ... + 68828.

It is an arithmetic number, because the mean of its divisors is an integer number (63322200).

Almost surely, 2^2311868736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311868736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3546043200).

2311868736 is an abundant number, since it is smaller than the sum of its proper divisors (4780217664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311868736 is a wasteful number, since it uses less digits than its factorization.

2311868736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58213 (or 58197 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 2311868736 is about 48081.8961356559. The cubic root of 2311868736 is about 1322.2727786939.

The spelling of 2311868736 in words is "two billion, three hundred eleven million, eight hundred sixty-eight thousand, seven hundred thirty-six".