4311345 has 16 divisors (see below), whose sum is σ = 6937920. Its totient is φ = 2286144.

The previous prime is 4311337. The next prime is 4311361. The reversal of 4311345 is 5431134.

It is not a de Polignac number, because 4311345 - 2³ = 4311337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2226 + ... + 3684.

It is an arithmetic number, because the mean of its divisors is an integer number (433620).

Almost surely, 2^4311345 is an apocalyptic number.

It is an amenable number.

4311345 is a deficient number, since it is larger than the sum of its proper divisors (2626575).

4311345 is a wasteful number, since it uses less digits than its factorization.

4311345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664.

The product of its digits is 720, while the sum is 21.

The square root of 4311345 is about 2076.3778557864. The cubic root of 4311345 is about 162.7562190728.

Adding to 4311345 its reverse (5431134), we get a palindrome (9742479).

It can be divided in two parts, 4311 and 345, that added together give a triangular number (4656 = T₉₆).

The spelling of 4311345 in words is "four million, three hundred eleven thousand, three hundred forty-five".