1321334313 has 8 divisors (see below), whose sum is σ = 1897300608. Its totient is φ = 813128784.

The previous prime is 1321334281. The next prime is 1321334381. The reversal of 1321334313 is 3134331231.

It is a happy number.

1321334313 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1321334313 - 2⁵ = 1321334281 is a prime.

It is a super-2 number, since 2×1321334313² = 3491848733422363938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1321334393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16940145 + ... + 16940222.

It is an arithmetic number, because the mean of its divisors is an integer number (237162576).

Almost surely, 2^1321334313 is an apocalyptic number.

1321334313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1321334313 is a deficient number, since it is larger than the sum of its proper divisors (575966295).

1321334313 is a wasteful number, since it uses less digits than its factorization.

1321334313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33880383.

The product of its digits is 1944, while the sum is 24.

The square root of 1321334313 is about 36350.1624893205. The cubic root of 1321334313 is about 1097.3308046347.

Adding to 1321334313 its reverse (3134331231), we get a palindrome (4455665544).

The spelling of 1321334313 in words is "one billion, three hundred twenty-one million, three hundred thirty-four thousand, three hundred thirteen".