3213034231021 has 4 divisors (see below), whose sum is σ = 3213094801212. Its totient is φ = 3212973660832.

The previous prime is 3213034231019. The next prime is 3213034231049. The reversal of 3213034231021 is 1201324303123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2346671653225 + 866362577796 = 1531885^2 + 930786^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213034231021 - 2¹ = 3213034231019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213034231091) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30205456 + ... + 30311641.

It is an arithmetic number, because the mean of its divisors is an integer number (803273700303).

Almost surely, 2^{3213034231021} is an apocalyptic number.

It is an amenable number.

3213034231021 is a deficient number, since it is larger than the sum of its proper divisors (60570191).

3213034231021 is an equidigital number, since it uses as much as digits as its factorization.

3213034231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60570190.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 3213034231021 its reverse (1201324303123), we get a palindrome (4414358534144).

The spelling of 3213034231021 in words is "three trillion, two hundred thirteen billion, thirty-four million, two hundred thirty-one thousand, twenty-one".