1303434013 has 16 divisors (see below), whose sum is σ = 1600815744. Its totient is φ = 1035809280.

The previous prime is 1303434007. The next prime is 1303434071. The reversal of 1303434013 is 3104343031.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1303434013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303434413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73768 + ... + 89713.

It is an arithmetic number, because the mean of its divisors is an integer number (100050984).

Almost surely, 2^1303434013 is an apocalyptic number.

It is an amenable number.

1303434013 is a deficient number, since it is larger than the sum of its proper divisors (297381731).

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 product of its (nonzero) digits is 1296, while the sum is 22.

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".