3201321311 has 2 divisors, whose sum is σ = 3201321312. Its totient is φ = 3201321310.

The previous prime is 3201321307. The next prime is 3201321353. The reversal of 3201321311 is 1131231023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3201321311 - 2² = 3201321307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3201321311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3201324311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600660655 + 1600660656.

It is an arithmetic number, because the mean of its divisors is an integer number (1600660656).

Almost surely, 2^3201321311 is an apocalyptic number.

3201321311 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201321311 is an equidigital number, since it uses as much as digits as its factorization.

3201321311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3201321311 is about 56580.2201391971. The cubic root of 3201321311 is about 1473.8153945193.

Adding to 3201321311 its reverse (1131231023), we get a palindrome (4332552334).

The spelling of 3201321311 in words is "three billion, two hundred one million, three hundred twenty-one thousand, three hundred eleven".