12311102133231 has 8 divisors (see below), whose sum is σ = 17907057648384. Its totient is φ = 7461274020120.

The previous prime is 12311102133227. The next prime is 12311102133251. The reversal of 12311102133231 is 13233120111321.

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

It is not a de Polignac number, because 12311102133231 - 2² = 12311102133227 is a prime.

It is a super-2 number, since 2×12311102133231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311102133251) 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, 186531850471 + ... + 186531850536.

It is an arithmetic number, because the mean of its divisors is an integer number (2238382206048).

Almost surely, 2^{12311102133231} is an apocalyptic number.

12311102133231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12311102133231 is a deficient number, since it is larger than the sum of its proper divisors (5595955515153).

12311102133231 is a wasteful number, since it uses less digits than its factorization.

12311102133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373063701021.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12311102133231 its reverse (13233120111321), we get a palindrome (25544222244552).

The spelling of 12311102133231 in words is "twelve trillion, three hundred eleven billion, one hundred two million, one hundred thirty-three thousand, two hundred thirty-one".