100311231200 has 36 divisors (see below), whose sum is σ = 244884795120. Its totient is φ = 40124492160.

The previous prime is 100311231187. The next prime is 100311231257. The reversal of 100311231200 is 2132113001.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 62693720 + ... + 62695319.

It is an arithmetic number, because the mean of its divisors is an integer number (6802355420).

Almost surely, 2^100311231200 is an apocalyptic number.

100311231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100311231200 is an abundant number, since it is smaller than the sum of its proper divisors (144573563920).

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

100311231200 is a wasteful number, since it uses less digits than its factorization.

100311231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125389059 (or 125389046 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100311231200 its reverse (2132113001), we get a palindrome (102443344201).

The spelling of 100311231200 in words is "one hundred billion, three hundred eleven million, two hundred thirty-one thousand, two hundred".