3131323031111 has 16 divisors (see below), whose sum is σ = 3428649589248. Its totient is φ = 2836115575200.

The previous prime is 3131323031069. The next prime is 3131323031149. The reversal of 3131323031111 is 1111303231313.

3131323031111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3131323031111 - 2²⁶ = 3131255922247 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 (3131323031611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6800390 + ... + 7246236.

It is an arithmetic number, because the mean of its divisors is an integer number (214290599328).

Almost surely, 2^{3131323031111} is an apocalyptic number.

3131323031111 is a deficient number, since it is larger than the sum of its proper divisors (297326558137).

3131323031111 is a wasteful number, since it uses less digits than its factorization.

3131323031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448222.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 3131323031111 its reverse (1111303231313), we get a palindrome (4242626262424).

The spelling of 3131323031111 in words is "three trillion, one hundred thirty-one billion, three hundred twenty-three million, thirty-one thousand, one hundred eleven".