404131023311 has 8 divisors (see below), whose sum is σ = 421712880000. Its totient is φ = 386550078552.

The previous prime is 404131023301. The next prime is 404131023319. The reversal of 404131023311 is 113320131404.

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-404131023311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404131023319) 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, 770756 + ... + 1184198.

It is an arithmetic number, because the mean of its divisors is an integer number (52714110000).

Almost surely, 2^404131023311 is an apocalyptic number.

404131023311 is a deficient number, since it is larger than the sum of its proper divisors (17581856689).

404131023311 is a wasteful number, since it uses less digits than its factorization.

404131023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455965.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 404131023311 its reverse (113320131404), we get a palindrome (517451154715).

The spelling of 404131023311 in words is "four hundred four billion, one hundred thirty-one million, twenty-three thousand, three hundred eleven".