2201431321 has 8 divisors (see below), whose sum is σ = 2218920480. Its totient is φ = 2184000192.

The previous prime is 2201431237. The next prime is 2201431339. The reversal of 2201431321 is 1231341022.

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 2201431321 - 2¹³ = 2201423129 is a prime.

It is a super-2 number, since 2×2201431321² = 9692599722159610082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201431381) 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, 63306 + ... + 91708.

It is an arithmetic number, because the mean of its divisors is an integer number (277365060).

Almost surely, 2^2201431321 is an apocalyptic number.

It is an amenable number.

2201431321 is a deficient number, since it is larger than the sum of its proper divisors (17489159).

2201431321 is a wasteful number, since it uses less digits than its factorization.

2201431321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29015.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2201431321 is about 46919.4130504635. The cubic root of 2201431321 is about 1300.8734408339.

Adding to 2201431321 its reverse (1231341022), we get a palindrome (3432772343).

It can be divided in two parts, 22014 and 31321, that added together give a palindrome (53335).

The spelling of 2201431321 in words is "two billion, two hundred one million, four hundred thirty-one thousand, three hundred twenty-one".