101689383 has 4 divisors (see below), whose sum is σ = 135585848. Its totient is φ = 67792920.

The previous prime is 101689373. The next prime is 101689397. The reversal of 101689383 is 383986101.

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

It is not a de Polignac number, because 101689383 - 2⁶ = 101689319 is a prime.

It is a super-2 number, since 2×101689383² = 20681461229841378, which 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 (101689303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16948228 + ... + 16948233.

It is an arithmetic number, because the mean of its divisors is an integer number (33896462).

Almost surely, 2^101689383 is an apocalyptic number.

101689383 is a deficient number, since it is larger than the sum of its proper divisors (33896465).

101689383 is an equidigital number, since it uses as much as digits as its factorization.

101689383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33896464.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 101689383 is about 10084.1153801412. The cubic root of 101689383 is about 466.7581079883.

The spelling of 101689383 in words is "one hundred one million, six hundred eighty-nine thousand, three hundred eighty-three".