5031323221 has 4 divisors (see below), whose sum is σ = 5031584992. Its totient is φ = 5031061452.

The previous prime is 5031323203. The next prime is 5031323237. The reversal of 5031323221 is 1223231305.

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 5031323221 - 2¹⁷ = 5031192149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5031323192 and 5031323201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5031323201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99555 + ... + 141328.

It is an arithmetic number, because the mean of its divisors is an integer number (1257896248).

Almost surely, 2^5031323221 is an apocalyptic number.

It is an amenable number.

5031323221 is a deficient number, since it is larger than the sum of its proper divisors (261771).

5031323221 is a wasteful number, since it uses less digits than its factorization.

5031323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261770.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 5031323221 is about 70931.8209339081. The cubic root of 5031323221 is about 1713.5393128951.

Adding to 5031323221 its reverse (1223231305), we get a palindrome (6254554526).

The spelling of 5031323221 in words is "five billion, thirty-one million, three hundred twenty-three thousand, two hundred twenty-one".