100310213 has 4 divisors (see below), whose sum is σ = 101198028. Its totient is φ = 99422400.

The previous prime is 100310179. The next prime is 100310239. The reversal of 100310213 is 312013001.

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 40742689 + 59567524 = 6383^2 + 7718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100310213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100310194 and 100310203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100310713) 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, 443738 + ... + 443963.

It is an arithmetic number, because the mean of its divisors is an integer number (25299507).

Almost surely, 2^100310213 is an apocalyptic number.

It is an amenable number.

100310213 is a deficient number, since it is larger than the sum of its proper divisors (887815).

100310213 is an equidigital number, since it uses as much as digits as its factorization.

100310213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887814.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 100310213 is about 10015.4986396085. The cubic root of 100310213 is about 464.6383483139.

Adding to 100310213 its reverse (312013001), we get a palindrome (412323214).

The spelling of 100310213 in words is "one hundred million, three hundred ten thousand, two hundred thirteen".