2311640152 has 16 divisors (see below), whose sum is σ = 4395373200. Its totient is φ = 1139540640.

The previous prime is 2311640143. The next prime is 2311640159. The reversal of 2311640152 is 2510461132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311640159) by changing a digit.

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, 2034327 + ... + 2035462.

It is an arithmetic number, because the mean of its divisors is an integer number (274710825).

Almost surely, 2^2311640152 is an apocalyptic number.

It is an amenable number.

2311640152 is a deficient number, since it is larger than the sum of its proper divisors (2083733048).

2311640152 is a wasteful number, since it uses less digits than its factorization.

2311640152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4069866 (or 4069862 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2311640152 is about 48079.5190491752. The cubic root of 2311640152 is about 1322.2291977359.

The spelling of 2311640152 in words is "two billion, three hundred eleven million, six hundred forty thousand, one hundred fifty-two".