2311323323231 has 16 divisors (see below), whose sum is σ = 2554489404768. Its totient is φ = 2077686374400.

The previous prime is 2311323323227. The next prime is 2311323323251. The reversal of 2311323323231 is 1323233231132.

2311323323231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2311323323231 - 2² = 2311323323227 is a prime.

It is a super-2 number, since 2×2311323323231² (a number of 26 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 = 2311323323194 and 2311323323203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311323323251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3672290 + ... + 4255391.

It is an arithmetic number, because the mean of its divisors is an integer number (159655587798).

Almost surely, 2^{2311323323231} is an apocalyptic number.

2311323323231 is a deficient number, since it is larger than the sum of its proper divisors (243166081537).

2311323323231 is a wasteful number, since it uses less digits than its factorization.

2311323323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928282.

The product of its digits is 11664, while the sum is 29.

Adding to 2311323323231 its reverse (1323233231132), we get a palindrome (3634556554363).

The spelling of 2311323323231 in words is "two trillion, three hundred eleven billion, three hundred twenty-three million, three hundred twenty-three thousand, two hundred thirty-one".