100538803813 has 4 divisors (see below), whose sum is σ = 114901490080. Its totient is φ = 86176117548.

The previous prime is 100538803793. The next prime is 100538803819. The reversal of 100538803813 is 318308835001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 318308835001 = 19 ⋅16753096579.

It is a cyclic number.

It is not a de Polignac number, because 100538803813 - 2²¹ = 100536706661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100538803819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7181343123 + ... + 7181343136.

It is an arithmetic number, because the mean of its divisors is an integer number (28725372520).

Almost surely, 2^100538803813 is an apocalyptic number.

It is an amenable number.

100538803813 is a deficient number, since it is larger than the sum of its proper divisors (14362686267).

100538803813 is an equidigital number, since it uses as much as digits as its factorization.

100538803813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14362686266.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 100538803813 in words is "one hundred billion, five hundred thirty-eight million, eight hundred three thousand, eight hundred thirteen".