100326310263 has 20 divisors (see below), whose sum is σ = 153920716840. Its totient is φ = 65076523632.

The previous prime is 100326310243. The next prime is 100326310291. The reversal of 100326310263 is 362013623001.

It is a happy number.

100326310263 is a `hidden beast` number, since 1 + 0 + 0 + 3 + 2 + 631 + 0 + 26 + 3 = 666.

It is not a de Polignac number, because 100326310263 - 2³⁰ = 99252568439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100326310243) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16734793 + ... + 16740786.

It is an arithmetic number, because the mean of its divisors is an integer number (7696035842).

Almost surely, 2^100326310263 is an apocalyptic number.

100326310263 is a deficient number, since it is larger than the sum of its proper divisors (53594406577).

100326310263 is an equidigital number, since it uses as much as digits as its factorization.

100326310263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33475628 (or 33475619 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 100326310263 its reverse (362013623001), we get a palindrome (462339933264).

The spelling of 100326310263 in words is "one hundred billion, three hundred twenty-six million, three hundred ten thousand, two hundred sixty-three".