9793197131 has 2 divisors, whose sum is σ = 9793197132. Its totient is φ = 9793197130.

The previous prime is 9793197121. The next prime is 9793197181. The reversal of 9793197131 is 1317913979.

It is a happy number.

It is an a-pointer prime, because the next prime (9793197181) can be obtained adding 9793197131 to its sum of digits (50).

It is a weak prime.

It is an emirp because it is prime and its reverse (1317913979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9793197131 - 2²² = 9789002827 is a prime.

It is a super-2 number, since 2×9793197131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9793197131.

It is not a weakly prime, because it can be changed into another prime (9793197101) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4896598565 + 4896598566.

It is an arithmetic number, because the mean of its divisors is an integer number (4896598566).

Almost surely, 2^9793197131 is an apocalyptic number.

9793197131 is a deficient number, since it is larger than the sum of its proper divisors (1).

9793197131 is an equidigital number, since it uses as much as digits as its factorization.

9793197131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 321489, while the sum is 50.

The square root of 9793197131 is about 98960.5837240262. The cubic root of 9793197131 is about 2139.4796774841.

The spelling of 9793197131 in words is "nine billion, seven hundred ninety-three million, one hundred ninety-seven thousand, one hundred thirty-one".