100130232991 has 2 divisors, whose sum is σ = 100130232992. Its totient is φ = 100130232990.

The previous prime is 100130232931. The next prime is 100130233001. The reversal of 100130232991 is 199232031001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100130232991 - 2⁷ = 100130232863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100130232931) 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, 50065116495 + 50065116496.

It is an arithmetic number, because the mean of its divisors is an integer number (50065116496).

Almost surely, 2^100130232991 is an apocalyptic number.

100130232991 is a deficient number, since it is larger than the sum of its proper divisors (1).

100130232991 is an equidigital number, since it uses as much as digits as its factorization.

100130232991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

Adding to 100130232991 its reverse (199232031001), we get a palindrome (299362263992).

The spelling of 100130232991 in words is "one hundred billion, one hundred thirty million, two hundred thirty-two thousand, nine hundred ninety-one".