1198830097931 has 2 divisors, whose sum is σ = 1198830097932. Its totient is φ = 1198830097930.

The previous prime is 1198830097853. The next prime is 1198830097939. The reversal of 1198830097931 is 1397900388911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1198830097931 - 2³⁴ = 1181650228747 is a prime.

It is a super-2 number, since 2×1198830097931² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1198830097939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599415048965 + 599415048966.

It is an arithmetic number, because the mean of its divisors is an integer number (599415048966).

Almost surely, 2^{1198830097931} is an apocalyptic number.

1198830097931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1198830097931 is an equidigital number, since it uses as much as digits as its factorization.

1198830097931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 59.

The spelling of 1198830097931 in words is "one trillion, one hundred ninety-eight billion, eight hundred thirty million, ninety-seven thousand, nine hundred thirty-one".