100381780341 has 6 divisors (see below), whose sum is σ = 144995904950. Its totient is φ = 66921186888.

The previous prime is 100381780337. The next prime is 100381780379. The reversal of 100381780341 is 143087183001.

It can be written as a sum of positive squares in only one way, i.e., 100381248900 + 531441 = 316830^2 + 729^2 .

It is not a de Polignac number, because 100381780341 - 2² = 100381780337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100381780296 and 100381780305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100381780391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5576765566 + ... + 5576765583.

Almost surely, 2^100381780341 is an apocalyptic number.

It is an amenable number.

100381780341 is a deficient number, since it is larger than the sum of its proper divisors (44614124609).

100381780341 is a wasteful number, since it uses less digits than its factorization.

100381780341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11153531155 (or 11153531152 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 100381780341 in words is "one hundred billion, three hundred eighty-one million, seven hundred eighty thousand, three hundred forty-one".