1311222323133 has 12 divisors (see below), whose sum is σ = 1894004787168. Its totient is φ = 874140375240.

The previous prime is 1311222323107. The next prime is 1311222323167. The reversal of 1311222323133 is 3313232221131.

1311222323133 is a `hidden beast` number, since 1 + 3 + 112 + 2 + 232 + 313 + 3 = 666.

It is not a de Polignac number, because 1311222323133 - 2²¹ = 1311220225981 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1311222323097 and 1311222323106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311222323533) 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 11 ways as a sum of consecutive naturals, for example, 516016 + ... + 1699622.

It is an arithmetic number, because the mean of its divisors is an integer number (157833732264).

Almost surely, 2^{1311222323133} is an apocalyptic number.

It is an amenable number.

1311222323133 is a deficient number, since it is larger than the sum of its proper divisors (582782464035).

1311222323133 is a wasteful number, since it uses less digits than its factorization.

1311222323133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306704 (or 1306701 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 1311222323133 its reverse (3313232221131), we get a palindrome (4624454544264).

The spelling of 1311222323133 in words is "one trillion, three hundred eleven billion, two hundred twenty-two million, three hundred twenty-three thousand, one hundred thirty-three".