31112434300217 has 2 divisors, whose sum is σ = 31112434300218. Its totient is φ = 31112434300216.

The previous prime is 31112434300187. The next prime is 31112434300229. The reversal of 31112434300217 is 71200343421113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30380170736041 + 732263564176 = 5511821^2 + 855724^2 .

It is a cyclic number.

It is not a de Polignac number, because 31112434300217 - 2¹⁶ = 31112434234681 is a prime.

It is not a weakly prime, because it can be changed into another prime (31112434300267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556217150108 + 15556217150109.

It is an arithmetic number, because the mean of its divisors is an integer number (15556217150109).

Almost surely, 2^{31112434300217} is an apocalyptic number.

It is an amenable number.

31112434300217 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112434300217 is an equidigital number, since it uses as much as digits as its factorization.

31112434300217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 31112434300217 in words is "thirty-one trillion, one hundred twelve billion, four hundred thirty-four million, three hundred thousand, two hundred seventeen".