100342421340 has 96 divisors (see below), whose sum is σ = 325618320384. Its totient is φ = 22612369920.

The previous prime is 100342421339. The next prime is 100342421381. The reversal of 100342421340 is 43124243001.

It is a self number, because there is not a number n which added to its sum of digits gives 100342421340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1652649 + ... + 1712288.

It is an arithmetic number, because the mean of its divisors is an integer number (3391857504).

Almost surely, 2^100342421340 is an apocalyptic number.

100342421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100342421340 is an abundant number, since it is smaller than the sum of its proper divisors (225275899044).

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

100342421340 is a wasteful number, since it uses less digits than its factorization.

100342421340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365027 (or 3365025 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 100342421340 its reverse (43124243001), we get a palindrome (143466664341).

The spelling of 100342421340 in words is "one hundred billion, three hundred forty-two million, four hundred twenty-one thousand, three hundred forty".