1324320346 has 4 divisors (see below), whose sum is σ = 1986480522. Its totient is φ = 662160172.

The previous prime is 1324320343. The next prime is 1324320353. The reversal of 1324320346 is 6430234231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6430234231 = 6451 ⋅996781.

It can be written as a sum of positive squares in only one way, i.e., 939729025 + 384591321 = 30655^2 + 19611^2 .

It is not an unprimeable number, because it can be changed into a prime (1324320343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331080085 + ... + 331080088.

Almost surely, 2^1324320346 is an apocalyptic number.

1324320346 is a deficient number, since it is larger than the sum of its proper divisors (662160176).

1324320346 is an equidigital number, since it uses as much as digits as its factorization.

1324320346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662160175.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 1324320346 is about 36391.2124832356. The cubic root of 1324320346 is about 1098.1567880834.

Adding to 1324320346 its reverse (6430234231), we get a palindrome (7754554577).

The spelling of 1324320346 in words is "one billion, three hundred twenty-four million, three hundred twenty thousand, three hundred forty-six".