100408181371 has 4 divisors (see below), whose sum is σ = 100408815144. Its totient is φ = 100407547600.

The previous prime is 100408181359. The next prime is 100408181399. The reversal of 100408181371 is 173181804001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100408181371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100408181351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154056 + ... + 473866.

It is an arithmetic number, because the mean of its divisors is an integer number (25102203786).

Almost surely, 2^100408181371 is an apocalyptic number.

100408181371 is a deficient number, since it is larger than the sum of its proper divisors (633773).

100408181371 is an equidigital number, since it uses as much as digits as its factorization.

100408181371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633772.

The product of its (nonzero) digits is 5376, while the sum is 34.

Adding to 100408181371 its reverse (173181804001), we get a palindrome (273589985372).

The spelling of 100408181371 in words is "one hundred billion, four hundred eight million, one hundred eighty-one thousand, three hundred seventy-one".