502134320123321 has 8 divisors (see below), whose sum is σ = 511666802916480. Its totient is φ = 492603994750192.

The previous prime is 502134320123297. The next prime is 502134320123341. The reversal of 502134320123321 is 123321023431205.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502134320123321 is a prime.

It is a super-3 number, since 3×502134320123321³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (502134320123341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538885091 + ... + 539816088.

It is an arithmetic number, because the mean of its divisors is an integer number (63958350364560).

Almost surely, 2^{502134320123321} is an apocalyptic number.

It is an amenable number.

502134320123321 is a deficient number, since it is larger than the sum of its proper divisors (9532482793159).

502134320123321 is a wasteful number, since it uses less digits than its factorization.

502134320123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078710015.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 502134320123321 its reverse (123321023431205), we get a palindrome (625455343554526).

The spelling of 502134320123321 in words is "five hundred two trillion, one hundred thirty-four billion, three hundred twenty million, one hundred twenty-three thousand, three hundred twenty-one".