It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-1303434013 is a prime.
It is a congruent number.
Almost surely, 21303434013 is an apocalyptic number.
It is an amenable number.
1303434013 is a wasteful number, since it uses less digits than its factorization.
1303434013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163572.
The square root of 1303434013 is about 36103.1025398095. The cubic root of 1303434013 is about 1092.3530271980.
Adding to 1303434013 its reverse (3104343031), we get a palindrome (4407777044).
The spelling of 1303434013 in words is "one billion, three hundred three million, four hundred thirty-four thousand, thirteen".