100681343 has 4 divisors (see below), whose sum is σ = 115064400. Its totient is φ = 86298288.

The previous prime is 100681333. The next prime is 100681349. The reversal of 100681343 is 343186001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343186001 = 383 ⋅896047.

It is a cyclic number.

It is not a de Polignac number, because 100681343 - 2¹⁴ = 100664959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100681349) 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, 7191518 + ... + 7191531.

It is an arithmetic number, because the mean of its divisors is an integer number (28766100).

Almost surely, 2^100681343 is an apocalyptic number.

100681343 is a deficient number, since it is larger than the sum of its proper divisors (14383057).

100681343 is an equidigital number, since it uses as much as digits as its factorization.

100681343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14383056.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 100681343 is about 10034.0093183134. The cubic root of 100681343 is about 465.2106695622.

It can be divided in two parts, 10068 and 1343, that added together give a palindrome (11411).

The spelling of 100681343 in words is "one hundred million, six hundred eighty-one thousand, three hundred forty-three".