1312233020303 has 4 divisors (see below), whose sum is σ = 1313314829448. Its totient is φ = 1311151211160.

The previous prime is 1312233020281. The next prime is 1312233020311. The reversal of 1312233020303 is 3030203322131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1312233020303 - 2¹⁸ = 1312232758159 is a prime.

It is a super-2 number, since 2×1312233020303² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312233020393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540902753 + ... + 540905178.

It is an arithmetic number, because the mean of its divisors is an integer number (328328707362).

Almost surely, 2^{1312233020303} is an apocalyptic number.

1312233020303 is a deficient number, since it is larger than the sum of its proper divisors (1081809145).

1312233020303 is a wasteful number, since it uses less digits than its factorization.

1312233020303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081809144.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1312233020303 its reverse (3030203322131), we get a palindrome (4342436342434).

The spelling of 1312233020303 in words is "one trillion, three hundred twelve billion, two hundred thirty-three million, twenty thousand, three hundred three".