100311031111 has 8 divisors (see below), whose sum is σ = 102649923200. Its totient is φ = 97972415352.

The previous prime is 100311031109. The next prime is 100311031157. The reversal of 100311031111 is 111130113001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100311031111 - 2¹ = 100311031109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100311031091 and 100311031100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100311031511) 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 in 7 ways as a sum of consecutive naturals, for example, 787846 + ... + 906268.

It is an arithmetic number, because the mean of its divisors is an integer number (12831240400).

Almost surely, 2^100311031111 is an apocalyptic number.

100311031111 is a deficient number, since it is larger than the sum of its proper divisors (2338892089).

100311031111 is a wasteful number, since it uses less digits than its factorization.

100311031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138165.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 100311031111 its reverse (111130113001), we get a palindrome (211441144112).

The spelling of 100311031111 in words is "one hundred billion, three hundred eleven million, thirty-one thousand, one hundred eleven".