2313221310 has 48 divisors (see below), whose sum is σ = 6330926160. Its totient is φ = 584392320.

The previous prime is 2313221303. The next prime is 2313221363. The reversal of 2313221310 is 131223132.

2313221310 is a `hidden beast` number, since 2 + 31 + 322 + 1 + 310 = 666.

It is a super-2 number, since 2×2313221310² = 10701985658076232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 674671 + ... + 678090.

It is an arithmetic number, because the mean of its divisors is an integer number (131894295).

Almost surely, 2^2313221310 is an apocalyptic number.

2313221310 is an abundant number, since it is smaller than the sum of its proper divisors (4017704850).

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

2313221310 is a wasteful number, since it uses less digits than its factorization.

2313221310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352793 (or 1352790 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2313221310 is about 48095.9593936954. The cubic root of 2313221310 is about 1322.5305965480.

Adding to 2313221310 its reverse (131223132), we get a palindrome (2444444442).

The spelling of 2313221310 in words is "two billion, three hundred thirteen million, two hundred twenty-one thousand, three hundred ten".