404232220031 has 2 divisors, whose sum is σ = 404232220032. Its totient is φ = 404232220030.

The previous prime is 404232219971. The next prime is 404232220037. The reversal of 404232220031 is 130022232404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404232220031 - 2¹⁰ = 404232219007 is a prime.

It is a super-2 number, since 2×404232220031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404232219979 and 404232220006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404232220037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202116110015 + 202116110016.

It is an arithmetic number, because the mean of its divisors is an integer number (202116110016).

Almost surely, 2^404232220031 is an apocalyptic number.

404232220031 is a deficient number, since it is larger than the sum of its proper divisors (1).

404232220031 is an equidigital number, since it uses as much as digits as its factorization.

404232220031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 404232220031 its reverse (130022232404), we get a palindrome (534254452435).

The spelling of 404232220031 in words is "four hundred four billion, two hundred thirty-two million, two hundred twenty thousand, thirty-one".