1303203220003 has 2 divisors, whose sum is σ = 1303203220004. Its totient is φ = 1303203220002.

The previous prime is 1303203219991. The next prime is 1303203220027. The reversal of 1303203220003 is 3000223023031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303203220003 is a prime.

It is a super-3 number, since 3×1303203220003³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1303203220703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651601610001 + 651601610002.

It is an arithmetic number, because the mean of its divisors is an integer number (651601610002).

Almost surely, 2^{1303203220003} is an apocalyptic number.

1303203220003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303203220003 is an equidigital number, since it uses as much as digits as its factorization.

1303203220003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 1303203220003 its reverse (3000223023031), we get a palindrome (4303426243034).

The spelling of 1303203220003 in words is "one trillion, three hundred three billion, two hundred three million, two hundred twenty thousand, three".