1330311313 has 4 divisors (see below), whose sum is σ = 1332532800. Its totient is φ = 1328089828.

The previous prime is 1330311271. The next prime is 1330311343. The reversal of 1330311313 is 3131130331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330311313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330311343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109845 + ... + 1111042.

It is an arithmetic number, because the mean of its divisors is an integer number (333133200).

Almost surely, 2^1330311313 is an apocalyptic number.

It is an amenable number.

1330311313 is a deficient number, since it is larger than the sum of its proper divisors (2221487).

1330311313 is an equidigital number, since it uses as much as digits as its factorization.

1330311313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221486.

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 1330311313 is about 36473.4329752493. The cubic root of 1330311313 is about 1099.8102463321.

Adding to 1330311313 its reverse (3131130331), we get a palindrome (4461441644).

The spelling of 1330311313 in words is "one billion, three hundred thirty million, three hundred eleven thousand, three hundred thirteen".