31106804203 has 2 divisors, whose sum is σ = 31106804204. Its totient is φ = 31106804202.

The previous prime is 31106804177. The next prime is 31106804219. The reversal of 31106804203 is 30240860113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31106804203 - 2¹⁷ = 31106673131 is a prime.

It is not a weakly prime, because it can be changed into another prime (31106804233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15553402101 + 15553402102.

It is an arithmetic number, because the mean of its divisors is an integer number (15553402102).

Almost surely, 2^31106804203 is an apocalyptic number.

31106804203 is a deficient number, since it is larger than the sum of its proper divisors (1).

31106804203 is an equidigital number, since it uses as much as digits as its factorization.

31106804203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 31106804203 in words is "thirty-one billion, one hundred six million, eight hundred four thousand, two hundred three".