2311134145 has 16 divisors (see below), whose sum is σ = 2895024528. Its totient is φ = 1769437440.

The previous prime is 2311134143. The next prime is 2311134167. The reversal of 2311134145 is 5414311132.

It can be written as a sum of positive squares in 8 ways, for example, as 37847104 + 2273287041 = 6152^2 + 47679^2 .

It is not a de Polignac number, because 2311134145 - 2¹ = 2311134143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311134143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91114 + ... + 113683.

It is an arithmetic number, because the mean of its divisors is an integer number (180939033).

Almost surely, 2^2311134145 is an apocalyptic number.

It is an amenable number.

2311134145 is a deficient number, since it is larger than the sum of its proper divisors (583890383).

2311134145 is a wasteful number, since it uses less digits than its factorization.

2311134145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204900.

The product of its digits is 1440, while the sum is 25.

The square root of 2311134145 is about 48074.2565725150. The cubic root of 2311134145 is about 1322.1327141414.

Adding to 2311134145 its reverse (5414311132), we get a palindrome (7725445277).

It can be divided in two parts, 231 and 1134145, that multiplied together give a triangular number (261987495 = T₂₂₈₉₀).

The spelling of 2311134145 in words is "two billion, three hundred eleven million, one hundred thirty-four thousand, one hundred forty-five".