100318122840 has 96 divisors (see below), whose sum is σ = 325885565520. Its totient is φ = 24693686784.

The previous prime is 100318122823. The next prime is 100318122869. The reversal of 100318122840 is 48221813001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 100318122798 and 100318122807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2453047 + ... + 2493606.

Almost surely, 2^100318122840 is an apocalyptic number.

100318122840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100318122840 is an abundant number, since it is smaller than the sum of its proper divisors (225567442680).

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

100318122840 is a wasteful number, since it uses less digits than its factorization.

100318122840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946693 (or 4946676 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

Adding to 100318122840 its reverse (48221813001), we get a palindrome (148539935841).

The spelling of 100318122840 in words is "one hundred billion, three hundred eighteen million, one hundred twenty-two thousand, eight hundred forty".