2311103122 has 4 divisors (see below), whose sum is σ = 3466654686. Its totient is φ = 1155551560.

The previous prime is 2311103087. The next prime is 2311103153. The reversal of 2311103122 is 2213011132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2240223561 + 70879561 = 47331^2 + 8419^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2311103096 and 2311103105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577775779 + ... + 577775782.

Almost surely, 2^2311103122 is an apocalyptic number.

2311103122 is a deficient number, since it is larger than the sum of its proper divisors (1155551564).

2311103122 is a wasteful number, since it uses less digits than its factorization.

2311103122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155551563.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2311103122 is about 48073.9339143366. The cubic root of 2311103122 is about 1322.1267983292.

Adding to 2311103122 its reverse (2213011132), we get a palindrome (4524114254).

The spelling of 2311103122 in words is "two billion, three hundred eleven million, one hundred three thousand, one hundred twenty-two".