3201313231321 has 4 divisors (see below), whose sum is σ = 3246402150144. Its totient is φ = 3156224312500.

The previous prime is 3201313231301. The next prime is 3201313231327. The reversal of 3201313231321 is 1231323131023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3201313231321 - 2⁹ = 3201313230809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3201313231327) 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, 22544459305 + ... + 22544459446.

It is an arithmetic number, because the mean of its divisors is an integer number (811600537536).

Almost surely, 2^{3201313231321} is an apocalyptic number.

It is an amenable number.

3201313231321 is a deficient number, since it is larger than the sum of its proper divisors (45088918823).

3201313231321 is an equidigital number, since it uses as much as digits as its factorization.

3201313231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45088918822.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3201313231321 its reverse (1231323131023), we get a palindrome (4432636362344).

The spelling of 3201313231321 in words is "three trillion, two hundred one billion, three hundred thirteen million, two hundred thirty-one thousand, three hundred twenty-one".