2311550012 has 12 divisors (see below), whose sum is σ = 4049004120. Its totient is φ = 1154691696.

The previous prime is 2311549939. The next prime is 2311550069. The reversal of 2311550012 is 2100551132.

It is a happy number.

2311550012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266018 + ... + 274569.

It is an arithmetic number, because the mean of its divisors is an integer number (337417010).

Almost surely, 2^2311550012 is an apocalyptic number.

It is an amenable number.

2311550012 is a deficient number, since it is larger than the sum of its proper divisors (1737454108).

2311550012 is a wasteful number, since it uses less digits than its factorization.

2311550012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541660 (or 541658 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2311550012 is about 48078.5816346531. The cubic root of 2311550012 is about 1322.2120111957.

The spelling of 2311550012 in words is "two billion, three hundred eleven million, five hundred fifty thousand, twelve".