2311312452 has 48 divisors (see below), whose sum is σ = 5717255040. Its totient is φ = 724234752.

The previous prime is 2311312403. The next prime is 2311312483. The reversal of 2311312452 is 2542131132.

It is an unprimeable number.

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, 172449 + ... + 185367.

It is an arithmetic number, because the mean of its divisors is an integer number (119109480).

Almost surely, 2^2311312452 is an apocalyptic number.

It is an amenable number.

2311312452 is an abundant number, since it is smaller than the sum of its proper divisors (3405942588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311312452 is a wasteful number, since it uses less digits than its factorization.

2311312452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13820 (or 13818 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 2311312452 is about 48076.1110324036. Note that the first 3 decimals coincide. The cubic root of 2311312452 is about 1322.1667146855.

Adding to 2311312452 its reverse (2542131132), we get a palindrome (4853443584).

The spelling of 2311312452 in words is "two billion, three hundred eleven million, three hundred twelve thousand, four hundred fifty-two".