12311021114331 has 4 divisors (see below), whose sum is σ = 16414694819112. Its totient is φ = 8207347409552.

The previous prime is 12311021114297. The next prime is 12311021114419. The reversal of 12311021114331 is 13341112011321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12311021114331 - 2⁶ = 12311021114267 is a prime.

It is a super-2 number, since 2×12311021114331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12311021164331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051836852386 + ... + 2051836852391.

It is an arithmetic number, because the mean of its divisors is an integer number (4103673704778).

Almost surely, 2^{12311021114331} is an apocalyptic number.

12311021114331 is a deficient number, since it is larger than the sum of its proper divisors (4103673704781).

12311021114331 is an equidigital number, since it uses as much as digits as its factorization.

12311021114331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103673704780.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 12311021114331 its reverse (13341112011321), we get a palindrome (25652133125652).

The spelling of 12311021114331 in words is "twelve trillion, three hundred eleven billion, twenty-one million, one hundred fourteen thousand, three hundred thirty-one".