3131200041113 has 2 divisors, whose sum is σ = 3131200041114. Its totient is φ = 3131200041112.

The previous prime is 3131200041103. The next prime is 3131200041133. The reversal of 3131200041113 is 3111400021313.

It is an a-pointer prime, because the next prime (3131200041133) can be obtained adding 3131200041113 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2845132309504 + 286067731609 = 1686752^2 + 534853^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131200041113 - 2⁶ = 3131200041049 is a prime.

It is not a weakly prime, because it can be changed into another prime (3131200041103) 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 as a sum of consecutive naturals, namely, 1565600020556 + 1565600020557.

It is an arithmetic number, because the mean of its divisors is an integer number (1565600020557).

Almost surely, 2^{3131200041113} is an apocalyptic number.

It is an amenable number.

3131200041113 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131200041113 is an equidigital number, since it uses as much as digits as its factorization.

3131200041113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3131200041113 its reverse (3111400021313), we get a palindrome (6242600062426).

The spelling of 3131200041113 in words is "three trillion, one hundred thirty-one billion, two hundred million, forty-one thousand, one hundred thirteen".