3131719611149 has 2 divisors, whose sum is σ = 3131719611150. Its totient is φ = 3131719611148.

The previous prime is 3131719611089. The next prime is 3131719611157. The reversal of 3131719611149 is 9411169171313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2367345349924 + 764374261225 = 1538618^2 + 874285^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131719611149 - 2¹⁶ = 3131719545613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131719601149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565859805574 + 1565859805575.

It is an arithmetic number, because the mean of its divisors is an integer number (1565859805575).

Almost surely, 2^{3131719611149} is an apocalyptic number.

It is an amenable number.

3131719611149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131719611149 is an equidigital number, since it uses as much as digits as its factorization.

3131719611149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 47.

The spelling of 3131719611149 in words is "three trillion, one hundred thirty-one billion, seven hundred nineteen million, six hundred eleven thousand, one hundred forty-nine".