2321319 has 32 divisors (see below), whose sum is σ = 4161024. Its totient is φ = 1111680.

The previous prime is 2321317. The next prime is 2321329. The reversal of 2321319 is 9131232.

It is a happy number.

It is not a de Polignac number, because 2321319 - 2¹ = 2321317 is a prime.

It is a super-2 number, since 2×2321319² = 10777043799522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2321295 and 2321304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2617 + ... + 3389.

It is an arithmetic number, because the mean of its divisors is an integer number (130032).

2^2321319 is an apocalyptic number.

2321319 is a deficient number, since it is larger than the sum of its proper divisors (1839705).

2321319 is a wasteful number, since it uses less digits than its factorization.

2321319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807.

The product of its digits is 324, while the sum is 21.

The square root of 2321319 is about 1523.5875426112. The cubic root of 2321319 is about 132.4072021408.

It can be divided in two parts, 23213 and 19, that added together give a palindrome (23232).

The spelling of 2321319 in words is "two million, three hundred twenty-one thousand, three hundred nineteen".