100344091 has 4 divisors (see below), whose sum is σ = 101841832. Its totient is φ = 98846352.

The previous prime is 100344067. The next prime is 100344103. The reversal of 100344091 is 190443001.

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 100344091 - 2¹¹ = 100342043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100341091) 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, 748770 + ... + 748903.

It is an arithmetic number, because the mean of its divisors is an integer number (25460458).

Almost surely, 2^100344091 is an apocalyptic number.

100344091 is a deficient number, since it is larger than the sum of its proper divisors (1497741).

100344091 is an equidigital number, since it uses as much as digits as its factorization.

100344091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497740.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 100344091 is about 10017.1897755808. The cubic root of 100344091 is about 464.6906502207.

Adding to 100344091 its reverse (190443001), we get a palindrome (290787092).

The spelling of 100344091 in words is "one hundred million, three hundred forty-four thousand, ninety-one".