3113313123181 has 2 divisors, whose sum is σ = 3113313123182. Its totient is φ = 3113313123180.

The previous prime is 3113313123083. The next prime is 3113313123199. The reversal of 3113313123181 is 1813213133113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2989613902500 + 123699220681 = 1729050^2 + 351709^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113313123181 - 2¹⁵ = 3113313090413 is a prime.

It is a super-2 number, since 2×3113313123181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113313126181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556656561590 + 1556656561591.

It is an arithmetic number, because the mean of its divisors is an integer number (1556656561591).

Almost surely, 2^{3113313123181} is an apocalyptic number.

It is an amenable number.

3113313123181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113313123181 is an equidigital number, since it uses as much as digits as its factorization.

3113313123181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

Adding to 3113313123181 its reverse (1813213133113), we get a palindrome (4926526256294).

The spelling of 3113313123181 in words is "three trillion, one hundred thirteen billion, three hundred thirteen million, one hundred twenty-three thousand, one hundred eighty-one".