1313222003 has 2 divisors, whose sum is σ = 1313222004. Its totient is φ = 1313222002.

The previous prime is 1313221999. The next prime is 1313222017. The reversal of 1313222003 is 3002223131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313222003 - 2² = 1313221999 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313222023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656611001 + 656611002.

It is an arithmetic number, because the mean of its divisors is an integer number (656611002).

Almost surely, 2^1313222003 is an apocalyptic number.

1313222003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313222003 is an equidigital number, since it uses as much as digits as its factorization.

1313222003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1313222003 is about 36238.4050835574. The cubic root of 1313222003 is about 1095.0805117229.

Adding to 1313222003 its reverse (3002223131), we get a palindrome (4315445134).

The spelling of 1313222003 in words is "one billion, three hundred thirteen million, two hundred twenty-two thousand, three".