100031311323 has 24 divisors (see below), whose sum is σ = 146253238560. Its totient is φ = 65876601600.

The previous prime is 100031311301. The next prime is 100031311333. The reversal of 100031311323 is 323113130001.

It is a happy number.

100031311323 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 31 + 311 + 323 = 666.

It is not a de Polignac number, because 100031311323 - 2⁵ = 100031311291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100031311296 and 100031311305.

It is not an unprimeable number, because it can be changed into a prime (100031311333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273715 + ... + 524387.

It is an arithmetic number, because the mean of its divisors is an integer number (6093884940).

Almost surely, 2^100031311323 is an apocalyptic number.

100031311323 is a deficient number, since it is larger than the sum of its proper divisors (46221927237).

100031311323 is a wasteful number, since it uses less digits than its factorization.

100031311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251219 (or 251216 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 100031311323 its reverse (323113130001), we get a palindrome (423144441324).

The spelling of 100031311323 in words is "one hundred billion, thirty-one million, three hundred eleven thousand, three hundred twenty-three".