100311042240 has 84 divisors (see below), whose sum is σ = 345028198944. Its totient is φ = 26749610496.

The previous prime is 100311042229. The next prime is 100311042259. The reversal of 100311042240 is 42240113001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 17412232 + ... + 17417991.

Almost surely, 2^100311042240 is an apocalyptic number.

100311042240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100311042240 is an abundant number, since it is smaller than the sum of its proper divisors (244717156704).

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

100311042240 is a wasteful number, since it uses less digits than its factorization.

100311042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34830246 (or 34830233 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 100311042240 its reverse (42240113001), we get a palindrome (142551155241).

The spelling of 100311042240 in words is "one hundred billion, three hundred eleven million, forty-two thousand, two hundred forty".