100310093 has 4 divisors (see below), whose sum is σ = 108026268. Its totient is φ = 92593920.

The previous prime is 100310087. The next prime is 100310143. The reversal of 100310093 is 390013001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6568969 + 93741124 = 2563^2 + 9682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100310093 is a prime.

It is a super-2 number, since 2×100310093² = 20124229515337298, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100310003) 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, 3858068 + ... + 3858093.

It is an arithmetic number, because the mean of its divisors is an integer number (27006567).

Almost surely, 2^100310093 is an apocalyptic number.

100310093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

100310093 is a deficient number, since it is larger than the sum of its proper divisors (7716175).

100310093 is an equidigital number, since it uses as much as digits as its factorization.

100310093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7716174.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 100310093 is about 10015.4926488915. The cubic root of 100310093 is about 464.6381630333.

Adding to 100310093 its reverse (390013001), we get a palindrome (490323094).

The spelling of 100310093 in words is "one hundred million, three hundred ten thousand, ninety-three".