100312230 has 16 divisors (see below), whose sum is σ = 240749424. Its totient is φ = 26749920.

The previous prime is 100312151. The next prime is 100312253. The reversal of 100312230 is 32213001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671841 + ... + 1671900.

It is an arithmetic number, because the mean of its divisors is an integer number (15046839).

Almost surely, 2^100312230 is an apocalyptic number.

100312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100312230 is an abundant number, since it is smaller than the sum of its proper divisors (140437194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100312230 is a wasteful number, since it uses less digits than its factorization.

100312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343751.

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

The square root of 100312230 is about 10015.5993330404. The cubic root of 100312230 is about 464.6414625507.

Adding to 100312230 its reverse (32213001), we get a palindrome (132525231).

The spelling of 100312230 in words is "one hundred million, three hundred twelve thousand, two hundred thirty".