1311130203023 has 8 divisors (see below), whose sum is σ = 1373004681696. Its totient is φ = 1249661459200.

The previous prime is 1311130203017. The next prime is 1311130203043. The reversal of 1311130203023 is 3203020311131.

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 1311130203023 - 2⁴ = 1311130203007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311130202986 and 1311130203004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311130203043) 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, 101427098 + ... + 101440023.

It is an arithmetic number, because the mean of its divisors is an integer number (171625585212).

Almost surely, 2^{1311130203023} is an apocalyptic number.

1311130203023 is a deficient number, since it is larger than the sum of its proper divisors (61874478673).

1311130203023 is a wasteful number, since it uses less digits than its factorization.

1311130203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202867425.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1311130203023 its reverse (3203020311131), we get a palindrome (4514150514154).

The spelling of 1311130203023 in words is "one trillion, three hundred eleven billion, one hundred thirty million, two hundred three thousand, twenty-three".