100321011331 has 2 divisors, whose sum is σ = 100321011332. Its totient is φ = 100321011330.

The previous prime is 100321011319. The next prime is 100321011377. The reversal of 100321011331 is 133110123001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100321011331 - 2⁵ = 100321011299 is a prime.

It is a super-3 number, since 3×100321011331³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (100321011391) 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, 50160505665 + 50160505666.

It is an arithmetic number, because the mean of its divisors is an integer number (50160505666).

Almost surely, 2^100321011331 is an apocalyptic number.

100321011331 is a deficient number, since it is larger than the sum of its proper divisors (1).

100321011331 is an equidigital number, since it uses as much as digits as its factorization.

100321011331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 100321011331 its reverse (133110123001), we get a palindrome (233431134332).

The spelling of 100321011331 in words is "one hundred billion, three hundred twenty-one million, eleven thousand, three hundred thirty-one".