100681337 has 4 divisors (see below), whose sum is σ = 102099456. Its totient is φ = 99263220.

The previous prime is 100681333. The next prime is 100681349. The reversal of 100681337 is 733186001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 733186001 = 2797 ⋅262133.

It is a cyclic number.

It is not a de Polignac number, because 100681337 - 2² = 100681333 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100681333) 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, 708953 + ... + 709094.

It is an arithmetic number, because the mean of its divisors is an integer number (25524864).

Almost surely, 2^100681337 is an apocalyptic number.

It is an amenable number.

100681337 is a deficient number, since it is larger than the sum of its proper divisors (1418119).

100681337 is an equidigital number, since it uses as much as digits as its factorization.

100681337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418118.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 100681337 is about 10034.0090193302. The cubic root of 100681337 is about 465.2106603209.

The spelling of 100681337 in words is "one hundred million, six hundred eighty-one thousand, three hundred thirty-seven".