404111031 has 8 divisors (see below), whose sum is σ = 547647984. Its totient is φ = 264990720.

The previous prime is 404111023. The next prime is 404111041. The reversal of 404111031 is 130111404.

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

It is not a de Polignac number, because 404111031 - 2³ = 404111023 is a prime.

It is a super-2 number, since 2×404111031² = 326611450751765922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404111031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404111041) 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, 1103946 + ... + 1104311.

It is an arithmetic number, because the mean of its divisors is an integer number (68455998).

Almost surely, 2^404111031 is an apocalyptic number.

404111031 is a deficient number, since it is larger than the sum of its proper divisors (143536953).

404111031 is a wasteful number, since it uses less digits than its factorization.

404111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208321.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 404111031 is about 20102.5130518550. The cubic root of 404111031 is about 739.3218958484.

Adding to 404111031 its reverse (130111404), we get a palindrome (534222435).

The spelling of 404111031 in words is "four hundred four million, one hundred eleven thousand, thirty-one".