3113111020231 has 2 divisors, whose sum is σ = 3113111020232. Its totient is φ = 3113111020230.

The previous prime is 3113111020079. The next prime is 3113111020267. The reversal of 3113111020231 is 1320201113113.

3113111020231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1320201113113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3113111020231 - 2¹¹ = 3113111018183 is a prime.

It is a super-2 number, since 2×3113111020231² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3113111020199 and 3113111020208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113111620231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556555510115 + 1556555510116.

It is an arithmetic number, because the mean of its divisors is an integer number (1556555510116).

Almost surely, 2^{3113111020231} is an apocalyptic number.

3113111020231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113111020231 is an equidigital number, since it uses as much as digits as its factorization.

3113111020231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 3113111020231 its reverse (1320201113113), we get a palindrome (4433312133344).

The spelling of 3113111020231 in words is "three trillion, one hundred thirteen billion, one hundred eleven million, twenty thousand, two hundred thirty-one".