1313040003 has 16 divisors (see below), whose sum is σ = 1910563200. Its totient is φ = 795495680.

The previous prime is 1313039969. The next prime is 1313040007. The reversal of 1313040003 is 3000403131.

It is a cyclic number.

It is not a de Polignac number, because 1313040003 - 2²¹ = 1310942851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313040007) 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, 119443 + ... + 129971.

It is an arithmetic number, because the mean of its divisors is an integer number (119410200).

Almost surely, 2^1313040003 is an apocalyptic number.

1313040003 is a deficient number, since it is larger than the sum of its proper divisors (597523197).

1313040003 is a wasteful number, since it uses less digits than its factorization.

1313040003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14322.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1313040003 is about 36235.8938485033. The cubic root of 1313040003 is about 1095.0299201599.

Adding to 1313040003 its reverse (3000403131), we get a palindrome (4313443134).

The spelling of 1313040003 in words is "one billion, three hundred thirteen million, forty thousand, three".