1311302200023 has 32 divisors (see below), whose sum is σ = 1984127185920. Its totient is φ = 855548023680.

The previous prime is 1311302199983. The next prime is 1311302200031. The reversal of 1311302200023 is 3200022031131.

It is not a de Polignac number, because 1311302200023 - 2¹² = 1311302195927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1311302199969 and 1311302200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311302200423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37558911 + ... + 37593807.

It is an arithmetic number, because the mean of its divisors is an integer number (62003974560).

Almost surely, 2^{1311302200023} is an apocalyptic number.

1311302200023 is a deficient number, since it is larger than the sum of its proper divisors (672824985897).

1311302200023 is a wasteful number, since it uses less digits than its factorization.

1311302200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64564 (or 64558 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1311302200023 its reverse (3200022031131), we get a palindrome (4511324231154).

The spelling of 1311302200023 in words is "one trillion, three hundred eleven billion, three hundred two million, two hundred thousand, twenty-three".