1311046203023 has 8 divisors (see below), whose sum is σ = 1321462036992. Its totient is φ = 1300631816736.

The previous prime is 1311046203017. The next prime is 1311046203107. The reversal of 1311046203023 is 3203026401131.

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 1311046203023 - 2⁴ = 1311046203007 is a prime.

It is a super-2 number, since 2×1311046203023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311046202983 and 1311046203001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311046203013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1494161 + ... + 2203317.

It is an arithmetic number, because the mean of its divisors is an integer number (165182754624).

Almost surely, 2^{1311046203023} is an apocalyptic number.

1311046203023 is a deficient number, since it is larger than the sum of its proper divisors (10415833969).

1311046203023 is a wasteful number, since it uses less digits than its factorization.

1311046203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723841.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 1311046203023 in words is "one trillion, three hundred eleven billion, forty-six million, two hundred three thousand, twenty-three".