2311306472 has 8 divisors (see below), whose sum is σ = 4333699650. Its totient is φ = 1155653232.

The previous prime is 2311306441. The next prime is 2311306477. The reversal of 2311306472 is 2746031132.

It is a happy number.

2311306472 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 only one way, i.e., 2244295876 + 67010596 = 47374^2 + 8186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2311306477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144456647 + ... + 144456662.

Almost surely, 2^2311306472 is an apocalyptic number.

It is an amenable number.

2311306472 is a deficient number, since it is larger than the sum of its proper divisors (2022393178).

2311306472 is a wasteful number, since it uses less digits than its factorization.

2311306472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288913315 (or 288913311 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2311306472 is about 48076.0488393129. The cubic root of 2311306472 is about 1322.1655744151.

The spelling of 2311306472 in words is "two billion, three hundred eleven million, three hundred six thousand, four hundred seventy-two".