100031223 has 8 divisors (see below), whose sum is σ = 133850736. Its totient is φ = 66449600.

The previous prime is 100031189. The next prime is 100031263. The reversal of 100031223 is 322130001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100031223 - 2⁶ = 100031159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100031199 and 100031208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100031263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58488 + ... + 60173.

It is an arithmetic number, because the mean of its divisors is an integer number (16731342).

Almost surely, 2^100031223 is an apocalyptic number.

100031223 is a deficient number, since it is larger than the sum of its proper divisors (33819513).

100031223 is a wasteful number, since it uses less digits than its factorization.

100031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118945.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 100031223 is about 10001.5610281596. The cubic root of 100031223 is about 464.2071864438.

Adding to 100031223 its reverse (322130001), we get a palindrome (422161224).

It can be divided in two parts, 1000 and 31223, that added together give a palindrome (32223).

The spelling of 100031223 in words is "one hundred million, thirty-one thousand, two hundred twenty-three".