2313221156 has 24 divisors (see below), whose sum is σ = 4063799040. Its totient is φ = 1152146592.

The previous prime is 2313221149. The next prime is 2313221171. The reversal of 2313221156 is 6511223132.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 1584755 + ... + 1586213.

It is an arithmetic number, because the mean of its divisors is an integer number (169324960).

Almost surely, 2^2313221156 is an apocalyptic number.

It is an amenable number.

2313221156 is a deficient number, since it is larger than the sum of its proper divisors (1750577884).

2313221156 is a wasteful number, since it uses less digits than its factorization.

2313221156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723 (or 2721 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 2313221156 is about 48095.9577927293. The cubic root of 2313221156 is about 1322.5305671993.

Adding to 2313221156 its reverse (6511223132), we get a palindrome (8824444288).

The spelling of 2313221156 in words is "two billion, three hundred thirteen million, two hundred twenty-one thousand, one hundred fifty-six".