100312241 has 4 divisors (see below), whose sum is σ = 102446592. Its totient is φ = 98177892.

The previous prime is 100312151. The next prime is 100312253. The reversal of 100312241 is 142213001.

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: 142213001 = 7 ⋅20316143.

It is a cyclic number.

It is not a de Polignac number, because 100312241 - 2¹⁴ = 100295857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100312271) 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, 1067105 + ... + 1067198.

It is an arithmetic number, because the mean of its divisors is an integer number (25611648).

Almost surely, 2^100312241 is an apocalyptic number.

It is an amenable number.

100312241 is a deficient number, since it is larger than the sum of its proper divisors (2134351).

100312241 is an equidigital number, since it uses as much as digits as its factorization.

100312241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134350.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 100312241 is about 10015.5998821838. The cubic root of 100312241 is about 464.6414795345.

Adding to 100312241 its reverse (142213001), we get a palindrome (242525242).

The spelling of 100312241 in words is "one hundred million, three hundred twelve thousand, two hundred forty-one".