2311964005 has 16 divisors (see below), whose sum is σ = 2988825840. Its totient is φ = 1706692608.

The previous prime is 2311964003. The next prime is 2311964009. The reversal of 2311964005 is 5004691132.

2311964005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 48678529 + 2263285476 = 6977^2 + 47574^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311964005 - 2¹ = 2311964003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311964003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274639 + ... + 282931.

It is an arithmetic number, because the mean of its divisors is an integer number (186801615).

Almost surely, 2^2311964005 is an apocalyptic number.

It is an amenable number.

2311964005 is a deficient number, since it is larger than the sum of its proper divisors (676861835).

2311964005 is a wasteful number, since it uses less digits than its factorization.

2311964005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12600.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2311964005 is about 48082.8868205727. The cubic root of 2311964005 is about 1322.2909414718.

The spelling of 2311964005 in words is "two billion, three hundred eleven million, nine hundred sixty-four thousand, five".