2311122141 has 6 divisors (see below), whose sum is σ = 3338287550. Its totient is φ = 1540748088.

The previous prime is 2311122139. The next prime is 2311122181. The reversal of 2311122141 is 1412211132.

2311122141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1205825625 + 1105296516 = 34725^2 + 33246^2 .

It is not a de Polignac number, because 2311122141 - 2¹ = 2311122139 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311122181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128395666 + ... + 128395683.

Almost surely, 2^2311122141 is an apocalyptic number.

It is an amenable number.

2311122141 is a deficient number, since it is larger than the sum of its proper divisors (1027165409).

2311122141 is a wasteful number, since it uses less digits than its factorization.

2311122141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256791355 (or 256791352 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 2311122141 is about 48074.1317238284. The cubic root of 2311122141 is about 1322.1304250908.

Adding to 2311122141 its reverse (1412211132), we get a palindrome (3723333273).

The spelling of 2311122141 in words is "two billion, three hundred eleven million, one hundred twenty-two thousand, one hundred forty-one".