1330312313 has 4 divisors (see below), whose sum is σ = 1451249808. Its totient is φ = 1209374820.

The previous prime is 1330312289. The next prime is 1330312337. The reversal of 1330312313 is 3132130331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3132130331 = 11 ⋅284739121.

It is an interprime number because it is at equal distance from previous prime (1330312289) and next prime (1330312337).

It is a cyclic number.

It is not a de Polignac number, because 1330312313 - 2²² = 1326118009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330312213) 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, 60468731 + ... + 60468752.

It is an arithmetic number, because the mean of its divisors is an integer number (362812452).

Almost surely, 2^1330312313 is an apocalyptic number.

It is an amenable number.

1330312313 is a deficient number, since it is larger than the sum of its proper divisors (120937495).

1330312313 is a wasteful number, since it uses less digits than its factorization.

1330312313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120937494.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 1330312313 is about 36473.4466838548. The cubic root of 1330312313 is about 1099.8105219092.

Adding to 1330312313 its reverse (3132130331), we get a palindrome (4462442644).

The spelling of 1330312313 in words is "one billion, three hundred thirty million, three hundred twelve thousand, three hundred thirteen".