3214312351021 has 2 divisors, whose sum is σ = 3214312351022. Its totient is φ = 3214312351020.

The previous prime is 3214312351009. The next prime is 3214312351049. The reversal of 3214312351021 is 1201532134123.

3214312351021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (3214312351049) can be obtained adding 3214312351021 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3212572293225 + 1740057796 = 1792365^2 + 41714^2 .

It is a cyclic number.

It is not a de Polignac number, because 3214312351021 - 2²⁷ = 3214178133293 is a prime.

It is a super-2 number, since 2×3214312351021² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3214312351051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607156175510 + 1607156175511.

It is an arithmetic number, because the mean of its divisors is an integer number (1607156175511).

Almost surely, 2^{3214312351021} is an apocalyptic number.

It is an amenable number.

3214312351021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3214312351021 is an equidigital number, since it uses as much as digits as its factorization.

3214312351021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 3214312351021 its reverse (1201532134123), we get a palindrome (4415844485144).

The spelling of 3214312351021 in words is "three trillion, two hundred fourteen billion, three hundred twelve million, three hundred fifty-one thousand, twenty-one".