100300031440 has 80 divisors (see below), whose sum is σ = 268429069440. Its totient is φ = 34141155840.

The previous prime is 100300031411. The next prime is 100300031449. The reversal of 100300031440 is 44130003001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100300031449) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 566431 + ... + 722110.

It is an arithmetic number, because the mean of its divisors is an integer number (3355363368).

Almost surely, 2^100300031440 is an apocalyptic number.

100300031440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100300031440 is an abundant number, since it is smaller than the sum of its proper divisors (168129038000).

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

100300031440 is a wasteful number, since it uses less digits than its factorization.

100300031440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288700 (or 1288694 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100300031440 its reverse (44130003001), we get a palindrome (144430034441).

The spelling of 100300031440 in words is "one hundred billion, three hundred million, thirty-one thousand, four hundred forty".