101836381 has 8 divisors (see below), whose sum is σ = 104009400. Its totient is φ = 99686400.

The previous prime is 101836349. The next prime is 101836421. The reversal of 101836381 is 183638101.

It can be written as a sum of positive squares in 4 ways, for example, as 18844281 + 82992100 = 4341^2 + 9110^2 .

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 101836381 - 2⁵ = 101836349 is a prime.

It is a super-2 number, since 2×101836381² = 20741296990354322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101836481) 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, 3325 + ... + 14653.

It is an arithmetic number, because the mean of its divisors is an integer number (13001175).

Almost surely, 2^101836381 is an apocalyptic number.

It is an amenable number.

101836381 is a deficient number, since it is larger than the sum of its proper divisors (2173019).

101836381 is a wasteful number, since it uses less digits than its factorization.

101836381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11519.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 101836381 is about 10091.4013397546. The cubic root of 101836381 is about 466.9829084926.

It can be divided in two parts, 101 and 836381, that multiplied together give a square (84474481 = 9191²).

The spelling of 101836381 in words is "one hundred one million, eight hundred thirty-six thousand, three hundred eighty-one".