1321232314 has 4 divisors (see below), whose sum is σ = 1981848474. Its totient is φ = 660616156.

The previous prime is 1321232303. The next prime is 1321232321. The reversal of 1321232314 is 4132321231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4132321231 = 61 ⋅67742971.

It can be written as a sum of positive squares in only one way, i.e., 1300684225 + 20548089 = 36065^2 + 4533^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330308077 + ... + 330308080.

Almost surely, 2^1321232314 is an apocalyptic number.

1321232314 is a deficient number, since it is larger than the sum of its proper divisors (660616160).

1321232314 is an equidigital number, since it uses as much as digits as its factorization.

1321232314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660616159.

The product of its digits is 864, while the sum is 22.

The square root of 1321232314 is about 36348.7594561355. The cubic root of 1321232314 is about 1097.3025681459.

Adding to 1321232314 its reverse (4132321231), we get a palindrome (5453553545).

The spelling of 1321232314 in words is "one billion, three hundred twenty-one million, two hundred thirty-two thousand, three hundred fourteen".