100999968231 has 8 divisors (see below), whose sum is σ = 134866726000. Its totient is φ = 67233261312.

The previous prime is 100999968229. The next prime is 100999968233. The reversal of 100999968231 is 132869999001.

It is an interprime number because it is at equal distance from previous prime (100999968229) and next prime (100999968233).

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

It is not a de Polignac number, because 100999968231 - 2¹ = 100999968229 is a prime.

It is a super-2 number, since 2×100999968231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100999968233) 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, 25010356 + ... + 25014393.

It is an arithmetic number, because the mean of its divisors is an integer number (16858340750).

Almost surely, 2^100999968231 is an apocalyptic number.

100999968231 is a deficient number, since it is larger than the sum of its proper divisors (33866757769).

100999968231 is an equidigital number, since it uses as much as digits as its factorization.

100999968231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50025425.

The product of its (nonzero) digits is 1889568, while the sum is 57.

The spelling of 100999968231 in words is "one hundred billion, nine hundred ninety-nine million, nine hundred sixty-eight thousand, two hundred thirty-one".