3211321235345 has 8 divisors (see below), whose sum is σ = 3855274924200. Its totient is φ = 2567930693760.

The previous prime is 3211321235327. The next prime is 3211321235359. The reversal of 3211321235345 is 5435321231123.

It can be written as a sum of positive squares in 4 ways, for example, as 752424395776 + 2458896839569 = 867424^2 + 1568087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3211321235345 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140774270 + ... + 140797079.

It is an arithmetic number, because the mean of its divisors is an integer number (481909365525).

Almost surely, 2^{3211321235345} is an apocalyptic number.

It is an amenable number.

3211321235345 is a deficient number, since it is larger than the sum of its proper divisors (643953688855).

3211321235345 is a wasteful number, since it uses less digits than its factorization.

3211321235345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281573635.

The product of its digits is 64800, while the sum is 35.

Adding to 3211321235345 its reverse (5435321231123), we get a palindrome (8646642466468).

The spelling of 3211321235345 in words is "three trillion, two hundred eleven billion, three hundred twenty-one million, two hundred thirty-five thousand, three hundred forty-five".