101731039097 has 2 divisors, whose sum is σ = 101731039098. Its totient is φ = 101731039096.

The previous prime is 101731039057. The next prime is 101731039147. The reversal of 101731039097 is 790930137101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78386560576 + 23344478521 = 279976^2 + 152789^2 .

It is a cyclic number.

It is not a de Polignac number, because 101731039097 - 2¹⁴ = 101731022713 is a prime.

It is not a weakly prime, because it can be changed into another prime (101731039057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50865519548 + 50865519549.

It is an arithmetic number, because the mean of its divisors is an integer number (50865519549).

Almost surely, 2^101731039097 is an apocalyptic number.

It is an amenable number.

101731039097 is a deficient number, since it is larger than the sum of its proper divisors (1).

101731039097 is an equidigital number, since it uses as much as digits as its factorization.

101731039097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35721, while the sum is 41.

The spelling of 101731039097 in words is "one hundred one billion, seven hundred thirty-one million, thirty-nine thousand, ninety-seven".