97942313171 has 2 divisors, whose sum is σ = 97942313172. Its totient is φ = 97942313170.

The previous prime is 97942313101. The next prime is 97942313207. The reversal of 97942313171 is 17131324979.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97942313171 is a prime.

It is not a weakly prime, because it can be changed into another prime (97942313101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48971156585 + 48971156586.

It is an arithmetic number, because the mean of its divisors is an integer number (48971156586).

Almost surely, 2^97942313171 is an apocalyptic number.

97942313171 is a deficient number, since it is larger than the sum of its proper divisors (1).

97942313171 is an equidigital number, since it uses as much as digits as its factorization.

97942313171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 47.

The spelling of 97942313171 in words is "ninety-seven billion, nine hundred forty-two million, three hundred thirteen thousand, one hundred seventy-one".