1312223032303 has 4 divisors (see below), whose sum is σ = 1313523551680. Its totient is φ = 1310922512928.

The previous prime is 1312223032277. The next prime is 1312223032339. The reversal of 1312223032303 is 3032303222131.

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 1312223032303 - 2¹³ = 1312223024111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312223036303) 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, 650258175 + ... + 650260192.

It is an arithmetic number, because the mean of its divisors is an integer number (328380887920).

Almost surely, 2^{1312223032303} is an apocalyptic number.

1312223032303 is a deficient number, since it is larger than the sum of its proper divisors (1300519377).

1312223032303 is a wasteful number, since it uses less digits than its factorization.

1312223032303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300519376.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1312223032303 its reverse (3032303222131), we get a palindrome (4344526254434).

The spelling of 1312223032303 in words is "one trillion, three hundred twelve billion, two hundred twenty-three million, thirty-two thousand, three hundred three".