321345212520013 has 16 divisors (see below), whose sum is σ = 366755175530496. Its totient is φ = 278701035635440.

The previous prime is 321345212519941. The next prime is 321345212520023. The reversal of 321345212520013 is 310025212543123.

It is not a de Polignac number, because 321345212520013 - 2¹³ = 321345212511821 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 (321345212520023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1658048245 + ... + 1658242042.

It is an arithmetic number, because the mean of its divisors is an integer number (22922198470656).

Almost surely, 2^{321345212520013} is an apocalyptic number.

It is an amenable number.

321345212520013 is a deficient number, since it is larger than the sum of its proper divisors (45409963010483).

321345212520013 is a wasteful number, since it uses less digits than its factorization.

321345212520013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316290704.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 321345212520013 in words is "three hundred twenty-one trillion, three hundred forty-five billion, two hundred twelve million, five hundred twenty thousand, thirteen".