101691383 has 4 divisors (see below), whose sum is σ = 103123728. Its totient is φ = 100259040.

The previous prime is 101691347. The next prime is 101691391. The reversal of 101691383 is 383196101.

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 101691383 - 2⁶ = 101691319 is a prime.

It is a super-2 number, since 2×101691383² = 20682274752905378, 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 (101691283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716066 + ... + 716207.

It is an arithmetic number, because the mean of its divisors is an integer number (25780932).

Almost surely, 2^101691383 is an apocalyptic number.

101691383 is a deficient number, since it is larger than the sum of its proper divisors (1432345).

101691383 is an equidigital number, since it uses as much as digits as its factorization.

101691383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432344.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 101691383 is about 10084.2145455162. The cubic root of 101691383 is about 466.7611679934.

The spelling of 101691383 in words is "one hundred one million, six hundred ninety-one thousand, three hundred eighty-three".