1303303013 has 4 divisors (see below), whose sum is σ = 1307908608. Its totient is φ = 1298697420.

The previous prime is 1303302991. The next prime is 1303303031. The reversal of 1303303013 is 3103033031.

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 not a de Polignac number, because 1303303013 - 2¹² = 1303298917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303302982 and 1303303000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303303033) 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, 2302373 + ... + 2302938.

It is an arithmetic number, because the mean of its divisors is an integer number (326977152).

Almost surely, 2^1303303013 is an apocalyptic number.

It is an amenable number.

1303303013 is a deficient number, since it is larger than the sum of its proper divisors (4605595).

1303303013 is an equidigital number, since it uses as much as digits as its factorization.

1303303013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605594.

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

The square root of 1303303013 is about 36101.2882457122. The cubic root of 1303303013 is about 1092.3164307819.

Adding to 1303303013 its reverse (3103033031), we get a palindrome (4406336044).

The spelling of 1303303013 in words is "one billion, three hundred three million, three hundred three thousand, thirteen".