31323444041 has 4 divisors (see below), whose sum is σ = 32051896272. Its totient is φ = 30594991812.

The previous prime is 31323443971. The next prime is 31323444071. The reversal of 31323444041 is 14044432313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31323444041 - 2²⁶ = 31256335177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31323443995 and 31323444013.

It is not an unprimeable number, because it can be changed into a prime (31323444071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364226051 + ... + 364226136.

It is an arithmetic number, because the mean of its divisors is an integer number (8012974068).

Almost surely, 2^31323444041 is an apocalyptic number.

It is an amenable number.

31323444041 is a deficient number, since it is larger than the sum of its proper divisors (728452231).

31323444041 is an equidigital number, since it uses as much as digits as its factorization.

31323444041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728452230.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 31323444041 its reverse (14044432313), we get a palindrome (45367876354).

The spelling of 31323444041 in words is "thirty-one billion, three hundred twenty-three million, four hundred forty-four thousand, forty-one".