100404313091 has 8 divisors (see below), whose sum is σ = 104776727040. Its totient is φ = 96032483272.

The previous prime is 100404313081. The next prime is 100404313099. The reversal of 100404313091 is 190313404001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100404313091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100404313091.

It is not an unprimeable number, because it can be changed into a prime (100404313099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225350 + ... + 501588.

It is an arithmetic number, because the mean of its divisors is an integer number (13097090880).

Almost surely, 2^100404313091 is an apocalyptic number.

100404313091 is a deficient number, since it is larger than the sum of its proper divisors (4372413949).

100404313091 is a wasteful number, since it uses less digits than its factorization.

100404313091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292065.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 100404313091 its reverse (190313404001), we get a palindrome (290717717092).

The spelling of 100404313091 in words is "one hundred billion, four hundred four million, three hundred thirteen thousand, ninety-one".