2311347 has 4 divisors (see below), whose sum is σ = 3081800. Its totient is φ = 1540896.

The previous prime is 2311343. The next prime is 2311349. The reversal of 2311347 is 7431132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2311347 - 2² = 2311343 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311343) 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, 385222 + ... + 385227.

It is an arithmetic number, because the mean of its divisors is an integer number (770450).

2^2311347 is an apocalyptic number.

2311347 is a deficient number, since it is larger than the sum of its proper divisors (770453).

2311347 is an equidigital number, since it uses as much as digits as its factorization.

2311347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770452.

The product of its digits is 504, while the sum is 21.

The square root of 2311347 is about 1520.3114812432. The cubic root of 2311347 is about 132.2173302283.

Adding to 2311347 its reverse (7431132), we get a palindrome (9742479).

The spelling of 2311347 in words is "two million, three hundred eleven thousand, three hundred forty-seven".