12131233313311 has 8 divisors (see below), whose sum is σ = 14311501051904. Its totient is φ = 10062774176760.

The previous prime is 12131233313281. The next prime is 12131233313351. The reversal of 12131233313311 is 11331333213121.

It is a happy number.

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 12131233313311 - 2²⁹ = 12130696442399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12131233313311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131233313351) 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, 27952150275 + ... + 27952150708.

It is an arithmetic number, because the mean of its divisors is an integer number (1788937631488).

Almost surely, 2^{12131233313311} is an apocalyptic number.

12131233313311 is a deficient number, since it is larger than the sum of its proper divisors (2180267738593).

12131233313311 is an equidigital number, since it uses as much as digits as its factorization.

12131233313311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55904301021.

The product of its digits is 2916, while the sum is 28.

Adding to 12131233313311 its reverse (11331333213121), we get a palindrome (23462566526432).

The spelling of 12131233313311 in words is "twelve trillion, one hundred thirty-one billion, two hundred thirty-three million, three hundred thirteen thousand, three hundred eleven".