3113100221 has 12 divisors (see below), whose sum is σ = 3910672416. Its totient is φ = 2425791720.

The previous prime is 3113100203. The next prime is 3113100241. The reversal of 3113100221 is 1220013113.

It is not a de Polignac number, because 3113100221 - 2⁶ = 3113100157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3113100196 and 3113100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113100241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1836875 + ... + 1838568.

It is an arithmetic number, because the mean of its divisors is an integer number (325889368).

Almost surely, 2^3113100221 is an apocalyptic number.

It is an amenable number.

3113100221 is a deficient number, since it is larger than the sum of its proper divisors (797572195).

3113100221 is a wasteful number, since it uses less digits than its factorization.

3113100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675472 (or 3675461 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3113100221 is about 55795.1630609679. The cubic root of 3113100221 is about 1460.1507664723.

Adding to 3113100221 its reverse (1220013113), we get a palindrome (4333113334).

The spelling of 3113100221 in words is "three billion, one hundred thirteen million, one hundred thousand, two hundred twenty-one".