97942313101 has 2 divisors, whose sum is σ = 97942313102. Its totient is φ = 97942313100.

The previous prime is 97942313083. The next prime is 97942313171. The reversal of 97942313101 is 10131324979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80031844201 + 17910468900 = 282899^2 + 133830^2 .

It is an emirp because it is prime and its reverse (10131324979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97942313101 - 2³¹ = 95794829453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97942313171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48971156550 + 48971156551.

It is an arithmetic number, because the mean of its divisors is an integer number (48971156551).

Almost surely, 2^97942313101 is an apocalyptic number.

It is an amenable number.

97942313101 is a deficient number, since it is larger than the sum of its proper divisors (1).

97942313101 is an equidigital number, since it uses as much as digits as its factorization.

97942313101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 97942313101 in words is "ninety-seven billion, nine hundred forty-two million, three hundred thirteen thousand, one hundred one".