3201131313221 has 8 divisors (see below), whose sum is σ = 3206950125984. Its totient is φ = 3195315811600.

The previous prime is 3201131313209. The next prime is 3201131313229. The reversal of 3201131313221 is 1223131311023.

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 3201131313221 - 2¹⁴ = 3201131296837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201131313229) 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, 1111646 + ... + 2763696.

It is an arithmetic number, because the mean of its divisors is an integer number (400868765748).

Almost surely, 2^{3201131313221} is an apocalyptic number.

It is an amenable number.

3201131313221 is a deficient number, since it is larger than the sum of its proper divisors (5818812763).

3201131313221 is a wasteful number, since it uses less digits than its factorization.

3201131313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655571.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3201131313221 its reverse (1223131311023), we get a palindrome (4424262624244).

The spelling of 3201131313221 in words is "three trillion, two hundred one billion, one hundred thirty-one million, three hundred thirteen thousand, two hundred twenty-one".