1303441013 has 6 divisors (see below), whose sum is σ = 1516247766. Its totient is φ = 1117235112.

The previous prime is 1303441003. The next prime is 1303441019. The reversal of 1303441013 is 3101443031.

It can be written as a sum of positive squares in only one way, i.e., 1054495729 + 248945284 = 32473^2 + 15778^2 .

It is not a de Polignac number, because 1303441013 - 2²⁸ = 1035005557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303441019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13300370 + ... + 13300467.

It is an arithmetic number, because the mean of its divisors is an integer number (252707961).

Almost surely, 2^1303441013 is an apocalyptic number.

It is an amenable number.

1303441013 is a deficient number, since it is larger than the sum of its proper divisors (212806753).

1303441013 is an equidigital number, since it uses as much as digits as its factorization.

1303441013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26600851 (or 26600844 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1303441013 is about 36103.1994842562. The cubic root of 1303441013 is about 1092.3549826627.

Adding to 1303441013 its reverse (3101443031), we get a palindrome (4404884044).

The spelling of 1303441013 in words is "one billion, three hundred three million, four hundred forty-one thousand, thirteen".