404102311 has 4 divisors (see below), whose sum is σ = 404481400. Its totient is φ = 403723224.

The previous prime is 404102297. The next prime is 404102333. The reversal of 404102311 is 113201404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404102311 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 (404102371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187941 + ... + 190078.

It is an arithmetic number, because the mean of its divisors is an integer number (101120350).

Almost surely, 2^404102311 is an apocalyptic number.

404102311 is a deficient number, since it is larger than the sum of its proper divisors (379089).

404102311 is a wasteful number, since it uses less digits than its factorization.

404102311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379088.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 404102311 is about 20102.2961623791. The cubic root of 404102311 is about 739.3165780580.

Adding to 404102311 its reverse (113201404), we get a palindrome (517303715).

The spelling of 404102311 in words is "four hundred four million, one hundred two thousand, three hundred eleven".