231100031101 has 8 divisors (see below), whose sum is σ = 231451664600. Its totient is φ = 230748471360.

The previous prime is 231100031047. The next prime is 231100031219. The reversal of 231100031101 is 101130001132.

It can be written as a sum of positive squares in 4 ways, for example, as 30319863876 + 200780167225 = 174126^2 + 448085^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231100031101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231100031401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12063991 + ... + 12083131.

It is an arithmetic number, because the mean of its divisors is an integer number (28931458075).

Almost surely, 2^231100031101 is an apocalyptic number.

It is an amenable number.

231100031101 is a deficient number, since it is larger than the sum of its proper divisors (351633499).

231100031101 is a wasteful number, since it uses less digits than its factorization.

231100031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36879.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 231100031101 its reverse (101130001132), we get a palindrome (332230032233).

The spelling of 231100031101 in words is "two hundred thirty-one billion, one hundred million, thirty-one thousand, one hundred one".