3133020011909 has 2 divisors, whose sum is σ = 3133020011910. Its totient is φ = 3133020011908.

The previous prime is 3133020011903. The next prime is 3133020012037. The reversal of 3133020011909 is 9091100203313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2639763820225 + 493256191684 = 1624735^2 + 702322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3133020011909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3133020011903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566510005954 + 1566510005955.

It is an arithmetic number, because the mean of its divisors is an integer number (1566510005955).

Almost surely, 2^{3133020011909} is an apocalyptic number.

It is an amenable number.

3133020011909 is a deficient number, since it is larger than the sum of its proper divisors (1).

3133020011909 is an equidigital number, since it uses as much as digits as its factorization.

3133020011909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 3133020011909 in words is "three trillion, one hundred thirty-three billion, twenty million, eleven thousand, nine hundred nine".