321513434134102 has 24 divisors (see below), whose sum is σ = 561128808727800. Its totient is φ = 137761832628000.

The previous prime is 321513434134097. The next prime is 321513434134157. The reversal of 321513434134102 is 201431434315123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352389024 + ... + 353300227.

It is an arithmetic number, because the mean of its divisors is an integer number (23380367030325).

Almost surely, 2^{321513434134102} is an apocalyptic number.

321513434134102 is a deficient number, since it is larger than the sum of its proper divisors (239615374593698).

321513434134102 is a wasteful number, since it uses less digits than its factorization.

321513434134102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705693916 (or 705693909 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 321513434134102 its reverse (201431434315123), we get a palindrome (522944868449225).

The spelling of 321513434134102 in words is "three hundred twenty-one trillion, five hundred thirteen billion, four hundred thirty-four million, one hundred thirty-four thousand, one hundred two".