31204111324207 has 2 divisors, whose sum is σ = 31204111324208. Its totient is φ = 31204111324206.

The previous prime is 31204111324189. The next prime is 31204111324241. The reversal of 31204111324207 is 70242311140213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31204111324207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31204111324307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15602055662103 + 15602055662104.

It is an arithmetic number, because the mean of its divisors is an integer number (15602055662104).

Almost surely, 2^{31204111324207} is an apocalyptic number.

31204111324207 is a deficient number, since it is larger than the sum of its proper divisors (1).

31204111324207 is an equidigital number, since it uses as much as digits as its factorization.

31204111324207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 31204111324207 in words is "thirty-one trillion, two hundred four billion, one hundred eleven million, three hundred twenty-four thousand, two hundred seven".