404201101231 has 4 divisors (see below), whose sum is σ = 417239846464. Its totient is φ = 391162356000.

The previous prime is 404201101217. The next prime is 404201101237. The reversal of 404201101231 is 132101102404.

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

It is a cyclic number.

It is not a de Polignac number, because 404201101231 - 2³⁷ = 266762147759 is a prime.

It is a super-2 number, since 2×404201101231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404201101199 and 404201101208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404201101237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6519372570 + ... + 6519372631.

It is an arithmetic number, because the mean of its divisors is an integer number (104309961616).

Almost surely, 2^404201101231 is an apocalyptic number.

404201101231 is a deficient number, since it is larger than the sum of its proper divisors (13038745233).

404201101231 is a wasteful number, since it uses less digits than its factorization.

404201101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13038745232.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 404201101231 its reverse (132101102404), we get a palindrome (536302203635).

The spelling of 404201101231 in words is "four hundred four billion, two hundred one million, one hundred one thousand, two hundred thirty-one".