201303431221 has 8 divisors (see below), whose sum is σ = 203871237120. Its totient is φ = 198736117008.

The previous prime is 201303431143. The next prime is 201303431233. The reversal of 201303431221 is 122134303102.

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 201303431221 - 2¹⁵ = 201303398453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201303431192 and 201303431201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201303431621) 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, 739455 + ... + 974371.

It is an arithmetic number, because the mean of its divisors is an integer number (25483904640).

Almost surely, 2^201303431221 is an apocalyptic number.

It is an amenable number.

201303431221 is a deficient number, since it is larger than the sum of its proper divisors (2567805899).

201303431221 is a wasteful number, since it uses less digits than its factorization.

201303431221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245843.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 201303431221 its reverse (122134303102), we get a palindrome (323437734323).

The spelling of 201303431221 in words is "two hundred one billion, three hundred three million, four hundred thirty-one thousand, two hundred twenty-one".