2311031323 has 4 divisors (see below), whose sum is σ = 2446974360. Its totient is φ = 2175088288.

The previous prime is 2311031321. The next prime is 2311031339. The reversal of 2311031323 is 3231301132.

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

It is a cyclic number.

It is not a de Polignac number, because 2311031323 - 2¹ = 2311031321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2311031323.

It is not an unprimeable number, because it can be changed into a prime (2311031321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67971493 + ... + 67971526.

It is an arithmetic number, because the mean of its divisors is an integer number (611743590).

Almost surely, 2^2311031323 is an apocalyptic number.

2311031323 is a deficient number, since it is larger than the sum of its proper divisors (135943037).

2311031323 is a wasteful number, since it uses less digits than its factorization.

2311031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135943036.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2311031323 is about 48073.1871525074. The cubic root of 2311031323 is about 1322.1131066907.

Adding to 2311031323 its reverse (3231301132), we get a palindrome (5542332455).

The spelling of 2311031323 in words is "two billion, three hundred eleven million, thirty-one thousand, three hundred twenty-three".