1311112022331 has 8 divisors (see below), whose sum is σ = 1795396643344. Its totient is φ = 850451041440.

The previous prime is 1311112022317. The next prime is 1311112022431. The reversal of 1311112022331 is 1332202111131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1311112022331 - 2³⁸ = 1036234115387 is a prime.

It is a super-2 number, since 2×1311112022331² (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 = 1311112022298 and 1311112022307.

It is not an unprimeable number, because it can be changed into a prime (1311112022431) 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, 5905909900 + ... + 5905910121.

It is an arithmetic number, because the mean of its divisors is an integer number (224424580418).

Almost surely, 2^{1311112022331} is an apocalyptic number.

1311112022331 is a deficient number, since it is larger than the sum of its proper divisors (484284621013).

1311112022331 is a wasteful number, since it uses less digits than its factorization.

1311112022331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11811820061.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1311112022331 its reverse (1332202111131), we get a palindrome (2643314133462).

The spelling of 1311112022331 in words is "one trillion, three hundred eleven billion, one hundred twelve million, twenty-two thousand, three hundred thirty-one".