3133811897 has 2 divisors, whose sum is σ = 3133811898. Its totient is φ = 3133811896.

The previous prime is 3133811887. The next prime is 3133811927. The reversal of 3133811897 is 7981183313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1917476521 + 1216335376 = 43789^2 + 34876^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133811897 - 2⁴ = 3133811881 is a prime.

It is not a weakly prime, because it can be changed into another prime (3133811887) 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, 1566905948 + 1566905949.

It is an arithmetic number, because the mean of its divisors is an integer number (1566905949).

Almost surely, 2^3133811897 is an apocalyptic number.

It is an amenable number.

3133811897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3133811897 is an equidigital number, since it uses as much as digits as its factorization.

3133811897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 3133811897 is about 55980.4599570243. The cubic root of 3133811897 is about 1463.3817737724.

The spelling of 3133811897 in words is "three billion, one hundred thirty-three million, eight hundred eleven thousand, eight hundred ninety-seven".