2311056646 has 8 divisors (see below), whose sum is σ = 3540342240. Its totient is φ = 1130942568.

The previous prime is 2311056641. The next prime is 2311056707. The reversal of 2311056646 is 6466501132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311056641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12292761 + ... + 12292948.

It is an arithmetic number, because the mean of its divisors is an integer number (442542780).

Almost surely, 2^2311056646 is an apocalyptic number.

2311056646 is a deficient number, since it is larger than the sum of its proper divisors (1229285594).

2311056646 is a wasteful number, since it uses less digits than its factorization.

2311056646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24585758.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2311056646 is about 48073.4505314524. The cubic root of 2311056646 is about 1322.1179356672.

Adding to 2311056646 its reverse (6466501132), we get a palindrome (8777557778).

The spelling of 2311056646 in words is "two billion, three hundred eleven million, fifty-six thousand, six hundred forty-six".