231102100091 has 8 divisors (see below), whose sum is σ = 232857259824. Its totient is φ = 229347930240.

The previous prime is 231102100003. The next prime is 231102100109. The reversal of 231102100091 is 190001201132.

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

It is a cyclic number.

It is not a de Polignac number, because 231102100091 - 2³⁰ = 230028358267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231102000091) 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, 224636 + ... + 716006.

It is an arithmetic number, because the mean of its divisors is an integer number (29107157478).

Almost surely, 2^231102100091 is an apocalyptic number.

231102100091 is a deficient number, since it is larger than the sum of its proper divisors (1755159733).

231102100091 is a wasteful number, since it uses less digits than its factorization.

231102100091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494941.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 231102100091 in words is "two hundred thirty-one billion, one hundred two million, one hundred thousand, ninety-one".