100311323212 has 6 divisors (see below), whose sum is σ = 175544815628. Its totient is φ = 50155661604.

The previous prime is 100311323179. The next prime is 100311323227. The reversal of 100311323212 is 212323113001.

It is a self number, because there is not a number n which added to its sum of digits gives 100311323212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12538915398 + ... + 12538915405.

Almost surely, 2^100311323212 is an apocalyptic number.

It is an amenable number.

100311323212 is a deficient number, since it is larger than the sum of its proper divisors (75233492416).

100311323212 is a wasteful number, since it uses less digits than its factorization.

100311323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25077830807 (or 25077830805 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 100311323212 its reverse (212323113001), we get a palindrome (312634436213).

The spelling of 100311323212 in words is "one hundred billion, three hundred eleven million, three hundred twenty-three thousand, two hundred twelve".