100013555343 has 16 divisors (see below), whose sum is σ = 144880092000. Its totient is φ = 61002138624.

The previous prime is 100013555333. The next prime is 100013555347. The reversal of 100013555343 is 343555310001.

It is not a de Polignac number, because 100013555343 - 2⁵ = 100013555311 is a prime.

It is a super-2 number, since 2×100013555343² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100013555343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100013555347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11342718 + ... + 11351531.

It is an arithmetic number, because the mean of its divisors is an integer number (9055005750).

Almost surely, 2^100013555343 is an apocalyptic number.

100013555343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100013555343 is a deficient number, since it is larger than the sum of its proper divisors (44866536657).

100013555343 is a wasteful number, since it uses less digits than its factorization.

100013555343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22694378.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 100013555343 its reverse (343555310001), we get a palindrome (443568865344).

The spelling of 100013555343 in words is "one hundred billion, thirteen million, five hundred fifty-five thousand, three hundred forty-three".