1313203312233 has 12 divisors (see below), whose sum is σ = 1903027894768. Its totient is φ = 872617182840.

The previous prime is 1313203312147. The next prime is 1313203312241. The reversal of 1313203312233 is 3322133023131.

1313203312233 is a `hidden beast` number, since 1 + 3 + 1 + 320 + 3 + 312 + 23 + 3 = 666.

It is not a de Polignac number, because 1313203312233 - 2¹⁰ = 1313203311209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1313203312197 and 1313203312206.

It is not an unprimeable number, because it can be changed into a prime (1313203312283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237638083 + ... + 237643608.

Almost surely, 2^{1313203312233} is an apocalyptic number.

It is an amenable number.

1313203312233 is a deficient number, since it is larger than the sum of its proper divisors (589824582535).

1313203312233 is a wasteful number, since it uses less digits than its factorization.

1313203312233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475282004 (or 475282001 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1313203312233 its reverse (3322133023131), we get a palindrome (4635336335364).

The spelling of 1313203312233 in words is "one trillion, three hundred thirteen billion, two hundred three million, three hundred twelve thousand, two hundred thirty-three".