1330303013 has 4 divisors (see below), whose sum is σ = 1432634028. Its totient is φ = 1227972000.

The previous prime is 1330302991. The next prime is 1330303019. The reversal of 1330303013 is 3103030331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3103030331 = 197 ⋅15751423.

It can be written as a sum of positive squares in 2 ways, for example, as 224940004 + 1105363009 = 14998^2 + 33247^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330303013 - 2¹⁶ = 1330237477 is a prime.

It is a super-2 number, since 2×1330303013² = 3539412212793756338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330302982 and 1330303000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330303019) 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, 51165488 + ... + 51165513.

It is an arithmetic number, because the mean of its divisors is an integer number (358158507).

Almost surely, 2^1330303013 is an apocalyptic number.

1330303013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1330303013 is a deficient number, since it is larger than the sum of its proper divisors (102331015).

1330303013 is a wasteful number, since it uses less digits than its factorization.

1330303013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102331014.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 1330303013 is about 36473.3191936243. The cubic root of 1330303013 is about 1099.8079590369.

Adding to 1330303013 its reverse (3103030331), we get a palindrome (4433333344).

The spelling of 1330303013 in words is "one billion, three hundred thirty million, three hundred three thousand, thirteen".