100302231091 has 2 divisors, whose sum is σ = 100302231092. Its totient is φ = 100302231090.

The previous prime is 100302231089. The next prime is 100302231101. The reversal of 100302231091 is 190132203001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100302231091 - 2¹ = 100302231089 is a prime.

Together with 100302231089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100302231011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50151115545 + 50151115546.

It is an arithmetic number, because the mean of its divisors is an integer number (50151115546).

Almost surely, 2^100302231091 is an apocalyptic number.

100302231091 is a deficient number, since it is larger than the sum of its proper divisors (1).

100302231091 is an equidigital number, since it uses as much as digits as its factorization.

100302231091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 100302231091 its reverse (190132203001), we get a palindrome (290434434092).

The spelling of 100302231091 in words is "one hundred billion, three hundred two million, two hundred thirty-one thousand, ninety-one".