2311123330231 has 12 divisors (see below), whose sum is σ = 2402879012352. Its totient is φ = 2222746609664.

The previous prime is 2311123330199. The next prime is 2311123330253. The reversal of 2311123330231 is 1320333211132.

It is not a de Polignac number, because 2311123330231 - 2⁵ = 2311123330199 is a prime.

It is a super-2 number, since 2×2311123330231² (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 = 2311123330196 and 2311123330205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311123330261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5130295 + ... + 5562568.

It is an arithmetic number, because the mean of its divisors is an integer number (200239917696).

Almost surely, 2^{2311123330231} is an apocalyptic number.

2311123330231 is a deficient number, since it is larger than the sum of its proper divisors (91755682121).

2311123330231 is a wasteful number, since it uses less digits than its factorization.

2311123330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10693178 (or 10693149 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2311123330231 its reverse (1320333211132), we get a palindrome (3631456541363).

The spelling of 2311123330231 in words is "two trillion, three hundred eleven billion, one hundred twenty-three million, three hundred thirty thousand, two hundred thirty-one".