101668231 has 4 divisors (see below), whose sum is σ = 116192272. Its totient is φ = 87144192.

The previous prime is 101668219. The next prime is 101668283. The reversal of 101668231 is 132866101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101668231 - 2⁷ = 101668103 is a prime.

It is a super-2 number, since 2×101668231² = 20672858389338722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101668231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101668201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7262010 + ... + 7262023.

It is an arithmetic number, because the mean of its divisors is an integer number (29048068).

Almost surely, 2^101668231 is an apocalyptic number.

101668231 is a deficient number, since it is larger than the sum of its proper divisors (14524041).

101668231 is an equidigital number, since it uses as much as digits as its factorization.

101668231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14524040.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 101668231 is about 10083.0665474349. The cubic root of 101668231 is about 466.7257429179.

The spelling of 101668231 in words is "one hundred one million, six hundred sixty-eight thousand, two hundred thirty-one".