321213143130113 has 6 divisors (see below), whose sum is σ = 347822515933974. Its totient is φ = 296504439812256.

The previous prime is 321213143130067. The next prime is 321213143130127. The reversal of 321213143130113 is 311031341312123.

It can be written as a sum of positive squares in 3 ways, for example, as 46054451313649 + 275158691816464 = 6786343^2 + 16587908^2 .

It is not a de Polignac number, because 321213143130113 - 2²⁴ = 321213126352897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321213143130413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 950334742820 + ... + 950334743157.

It is an arithmetic number, because the mean of its divisors is an integer number (57970419322329).

Almost surely, 2^{321213143130113} is an apocalyptic number.

It is an amenable number.

321213143130113 is a deficient number, since it is larger than the sum of its proper divisors (26609372803861).

321213143130113 is a wasteful number, since it uses less digits than its factorization.

321213143130113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900669486003 (or 1900669485990 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 321213143130113 its reverse (311031341312123), we get a palindrome (632244484442236).

The spelling of 321213143130113 in words is "three hundred twenty-one trillion, two hundred thirteen billion, one hundred forty-three million, one hundred thirty thousand, one hundred thirteen".