5323031221 has 4 divisors (see below), whose sum is σ = 5323239244. Its totient is φ = 5322823200.

The previous prime is 5323031141. The next prime is 5323031239. The reversal of 5323031221 is 1221303235.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3176562321 + 2146468900 = 56361^2 + 46330^2 .

It is a cyclic number.

It is not a de Polignac number, because 5323031221 - 2⁷ = 5323031093 is a prime.

It is a super-2 number, since 2×5323031221² = 56669322759481501682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5323031192 and 5323031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5323031251) 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, 59190 + ... + 118951.

It is an arithmetic number, because the mean of its divisors is an integer number (1330809811).

Almost surely, 2^5323031221 is an apocalyptic number.

It is an amenable number.

5323031221 is a deficient number, since it is larger than the sum of its proper divisors (208023).

5323031221 is a wasteful number, since it uses less digits than its factorization.

5323031221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208022.

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

The square root of 5323031221 is about 72959.1064980925. The cubic root of 5323031221 is about 1746.0352388392.

Adding to 5323031221 its reverse (1221303235), we get a palindrome (6544334456).

The spelling of 5323031221 in words is "five billion, three hundred twenty-three million, thirty-one thousand, two hundred twenty-one".