3201312321 has 8 divisors (see below), whose sum is σ = 4742684960. Its totient is φ = 2134208196.

The previous prime is 3201312319. The next prime is 3201312341. The reversal of 3201312321 is 1232131023.

3201312321 is a `hidden beast` number, since 32 + 0 + 1 + 312 + 321 = 666.

It is not a de Polignac number, because 3201312321 - 2¹ = 3201312319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3201312294 and 3201312303.

It is not an unprimeable number, because it can be changed into a prime (3201312341) 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, 59283535 + ... + 59283588.

It is an arithmetic number, because the mean of its divisors is an integer number (592835620).

Almost surely, 2^3201312321 is an apocalyptic number.

It is an amenable number.

3201312321 is a deficient number, since it is larger than the sum of its proper divisors (1541372639).

3201312321 is a wasteful number, since it uses less digits than its factorization.

3201312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118567132 (or 118567126 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3201312321 is about 56580.1406944168. The cubic root of 3201312321 is about 1473.8140149210.

Adding to 3201312321 its reverse (1232131023), we get a palindrome (4433443344).

The spelling of 3201312321 in words is "three billion, two hundred one million, three hundred twelve thousand, three hundred twenty-one".