404021341132231 has 4 divisors (see below), whose sum is σ = 404316894418992. Its totient is φ = 403725787845472.

The previous prime is 404021341132229. The next prime is 404021341132289. The reversal of 404021341132231 is 132231143120404.

It is a happy number.

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 404021341132231 - 2¹ = 404021341132229 is a prime.

It is a super-2 number, since 2×404021341132231² (a number of 30 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 = 404021341132193 and 404021341132202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404021341132831) 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, 147776641330 + ... + 147776644063.

It is an arithmetic number, because the mean of its divisors is an integer number (101079223604748).

Almost surely, 2^{404021341132231} is an apocalyptic number.

404021341132231 is a deficient number, since it is larger than the sum of its proper divisors (295553286761).

404021341132231 is a wasteful number, since it uses less digits than its factorization.

404021341132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295553286760.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 404021341132231 its reverse (132231143120404), we get a palindrome (536252484252635).

The spelling of 404021341132231 in words is "four hundred four trillion, twenty-one billion, three hundred forty-one million, one hundred thirty-two thousand, two hundred thirty-one".