2311355 has 4 divisors (see below), whose sum is σ = 2773632. Its totient is φ = 1849080.

The previous prime is 2311349. The next prime is 2311363. The reversal of 2311355 is 5531132.

2311355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2311355 - 2¹⁰ = 2310331 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

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 in 3 ways as a sum of consecutive naturals, for example, 231131 + ... + 231140.

It is an arithmetic number, because the mean of its divisors is an integer number (693408).

2^2311355 is an apocalyptic number.

2311355 is a deficient number, since it is larger than the sum of its proper divisors (462277).

2311355 is an equidigital number, since it uses as much as digits as its factorization.

2311355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462276.

The product of its digits is 450, while the sum is 20.

The square root of 2311355 is about 1520.3141122807. The cubic root of 2311355 is about 132.2174827710.

Adding to 2311355 its reverse (5531132), we get a palindrome (7842487).

It can be divided in two parts, 23113 and 55, that multiplied together give a triangular number (1271215 = T₁₅₉₄).

The spelling of 2311355 in words is "two million, three hundred eleven thousand, three hundred fifty-five".