1315222003 has 2 divisors, whose sum is σ = 1315222004. Its totient is φ = 1315222002.

The previous prime is 1315221997. The next prime is 1315222043. The reversal of 1315222003 is 3002225131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1315222003 - 2⁹ = 1315221491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1315222043) 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, 657611001 + 657611002.

It is an arithmetic number, because the mean of its divisors is an integer number (657611002).

Almost surely, 2^1315222003 is an apocalyptic number.

1315222003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315222003 is an equidigital number, since it uses as much as digits as its factorization.

1315222003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1315222003 is about 36265.9896183739. The cubic root of 1315222003 is about 1095.6361552996.

Adding to 1315222003 its reverse (3002225131), we get a palindrome (4317447134).

The spelling of 1315222003 in words is "one billion, three hundred fifteen million, two hundred twenty-two thousand, three".