100312130 has 16 divisors (see below), whose sum is σ = 181863360. Its totient is φ = 39835632.

The previous prime is 100312129. The next prime is 100312133. The reversal of 100312130 is 31213001.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100312133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34694 + ... + 37473.

It is an arithmetic number, because the mean of its divisors is an integer number (11366460).

Almost surely, 2^100312130 is an apocalyptic number.

100312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100312130 is a deficient number, since it is larger than the sum of its proper divisors (81551230).

100312130 is a wasteful number, since it uses less digits than its factorization.

100312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72313.

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

The square root of 100312130 is about 10015.5943408267. The cubic root of 100312130 is about 464.6413081523.

Adding to 100312130 its reverse (31213001), we get a palindrome (131525131).

The spelling of 100312130 in words is "one hundred million, three hundred twelve thousand, one hundred thirty".