1315511003 has 2 divisors, whose sum is σ = 1315511004. Its totient is φ = 1315511002.

The previous prime is 1315510969. The next prime is 1315511033. The reversal of 1315511003 is 3001155131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1315511003 - 2¹⁴ = 1315494619 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1315511033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657755501 + 657755502.

It is an arithmetic number, because the mean of its divisors is an integer number (657755502).

Almost surely, 2^1315511003 is an apocalyptic number.

1315511003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315511003 is an equidigital number, since it uses as much as digits as its factorization.

1315511003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1315511003 is about 36269.9738489015. The cubic root of 1315511003 is about 1095.7163992074.

Adding to 1315511003 its reverse (3001155131), we get a palindrome (4316666134).

The spelling of 1315511003 in words is "one billion, three hundred fifteen million, five hundred eleven thousand, three".