2311123322331 has 12 divisors (see below), whose sum is σ = 3375798112440. Its totient is φ = 1523437095840.

The previous prime is 2311123322329. The next prime is 2311123322341. The reversal of 2311123322331 is 1332233211132.

2311123322331 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 1 + 2 + 3 + 322 + 331 = 666.

It is not a de Polignac number, because 2311123322331 - 2¹ = 2311123322329 is a prime.

It is a super-2 number, since 2×2311123322331² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2311123322295 and 2311123322304.

It is not an unprimeable number, because it can be changed into a prime (2311123322341) 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, 1442647965 + ... + 1442649566.

It is an arithmetic number, because the mean of its divisors is an integer number (281316509370).

Almost surely, 2^{2311123322331} is an apocalyptic number.

2311123322331 is a deficient number, since it is larger than the sum of its proper divisors (1064674790109).

2311123322331 is a wasteful number, since it uses less digits than its factorization.

2311123322331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885297626 (or 2885297623 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 2311123322331 its reverse (1332233211132), we get a palindrome (3643356533463).

The spelling of 2311123322331 in words is "two trillion, three hundred eleven billion, one hundred twenty-three million, three hundred twenty-two thousand, three hundred thirty-one".