3101111143213 has 4 divisors (see below), whose sum is σ = 3101393767068. Its totient is φ = 3100828519360.

The previous prime is 3101111143189. The next prime is 3101111143219. The reversal of 3101111143213 is 3123411111013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1060821721444 + 2040289421769 = 1029962^2 + 1428387^2 .

It is a cyclic number.

It is not a de Polignac number, because 3101111143213 - 2¹³ = 3101111135021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101111143219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 141295468 + ... + 141317413.

It is an arithmetic number, because the mean of its divisors is an integer number (775348441767).

Almost surely, 2^{3101111143213} is an apocalyptic number.

It is an amenable number.

3101111143213 is a deficient number, since it is larger than the sum of its proper divisors (282623855).

3101111143213 is a wasteful number, since it uses less digits than its factorization.

3101111143213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282623854.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 3101111143213 its reverse (3123411111013), we get a palindrome (6224522254226).

The spelling of 3101111143213 in words is "three trillion, one hundred one billion, one hundred eleven million, one hundred forty-three thousand, two hundred thirteen".