3201211213331 has 4 divisors (see below), whose sum is σ = 3201214793832. Its totient is φ = 3201207632832.

The previous prime is 3201211213309. The next prime is 3201211213351. The reversal of 3201211213331 is 1333121121023.

3201211213331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3201211213331 - 2¹⁰ = 3201211212307 is a prime.

It is a super-2 number, since 2×3201211213331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3201211213297 and 3201211213306.

It is not an unprimeable number, because it can be changed into a prime (3201211213301) 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, 802856 + ... + 2654618.

It is an arithmetic number, because the mean of its divisors is an integer number (800303698458).

Almost surely, 2^{3201211213331} is an apocalyptic number.

3201211213331 is a deficient number, since it is larger than the sum of its proper divisors (3580501).

3201211213331 is a wasteful number, since it uses less digits than its factorization.

3201211213331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580500.

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

Adding to 3201211213331 its reverse (1333121121023), we get a palindrome (4534332334354).

The spelling of 3201211213331 in words is "three trillion, two hundred one billion, two hundred eleven million, two hundred thirteen thousand, three hundred thirty-one".