2313103221 has 48 divisors (see below), whose sum is σ = 3999445632. Its totient is φ = 1269590400.

The previous prime is 2313103193. The next prime is 2313103229. The reversal of 2313103221 is 1223013132.

2313103221 is a `hidden beast` number, since 2 + 31 + 310 + 322 + 1 = 666.

It is not a de Polignac number, because 2313103221 - 2¹⁴ = 2313086837 is a prime.

It is a super-2 number, since 2×2313103221² = 10700893022001149682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2313103194 and 2313103203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313103229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51256 + ... + 85166.

It is an arithmetic number, because the mean of its divisors is an integer number (83321784).

Almost surely, 2^2313103221 is an apocalyptic number.

It is an amenable number.

2313103221 is a deficient number, since it is larger than the sum of its proper divisors (1686342411).

2313103221 is a wasteful number, since it uses less digits than its factorization.

2313103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33994 (or 33991 counting only the distinct ones).

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

The square root of 2313103221 is about 48094.7317385179. The cubic root of 2313103221 is about 1322.5080912833.

Adding to 2313103221 its reverse (1223013132), we get a palindrome (3536116353).

The spelling of 2313103221 in words is "two billion, three hundred thirteen million, one hundred three thousand, two hundred twenty-one".