1303203311233 has 8 divisors (see below), whose sum is σ = 1307002759488. Its totient is φ = 1299404115504.

The previous prime is 1303203311191. The next prime is 1303203311237. The reversal of 1303203311233 is 3321133023031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1303203311233 - 2¹⁷ = 1303203180161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303203311198 and 1303203311207.

It is not an unprimeable number, because it can be changed into a prime (1303203311237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16802260 + ... + 16879642.

It is an arithmetic number, because the mean of its divisors is an integer number (163375344936).

Almost surely, 2^{1303203311233} is an apocalyptic number.

It is an amenable number.

1303203311233 is a deficient number, since it is larger than the sum of its proper divisors (3799448255).

1303203311233 is an equidigital number, since it uses as much as digits as its factorization.

1303203311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126263.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1303203311233 its reverse (3321133023031), we get a palindrome (4624336334264).

The spelling of 1303203311233 in words is "one trillion, three hundred three billion, two hundred three million, three hundred eleven thousand, two hundred thirty-three".