5431052321 has 8 divisors (see below), whose sum is σ = 5795212320. Its totient is φ = 5074723872.

The previous prime is 5431052317. The next prime is 5431052323. The reversal of 5431052321 is 1232501345.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5431052321 - 2² = 5431052317 is a prime.

It is a super-3 number, since 3×5431052321³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5431052323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1956455 + ... + 1959228.

It is an arithmetic number, because the mean of its divisors is an integer number (724401540).

Almost surely, 2^5431052321 is an apocalyptic number.

It is an amenable number.

5431052321 is a deficient number, since it is larger than the sum of its proper divisors (364159999).

5431052321 is a wasteful number, since it uses less digits than its factorization.

5431052321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915775.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5431052321 is about 73695.6736925581. The cubic root of 5431052321 is about 1757.7670892122.

Adding to 5431052321 its reverse (1232501345), we get a palindrome (6663553666).

The spelling of 5431052321 in words is "five billion, four hundred thirty-one million, fifty-two thousand, three hundred twenty-one".