321513434134101 has 24 divisors (see below), whose sum is σ = 508245846940416. Its totient is φ = 194234081595840.

The previous prime is 321513434134097. The next prime is 321513434134157. The reversal of 321513434134101 is 101431434315123.

321513434134101 is a `hidden beast` number, since 3 + 2 + 1 + 5 + 134 + 3 + 413 + 4 + 101 = 666.

It is not a de Polignac number, because 321513434134101 - 2² = 321513434134097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321513434134001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5187845125 + ... + 5187907098.

It is an arithmetic number, because the mean of its divisors is an integer number (21176910289184).

Almost surely, 2^{321513434134101} is an apocalyptic number.

It is an amenable number.

321513434134101 is a deficient number, since it is larger than the sum of its proper divisors (186732412806315).

321513434134101 is a wasteful number, since it uses less digits than its factorization.

321513434134101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10375752553 (or 10375752550 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 321513434134101 its reverse (101431434315123), we get a palindrome (422944868449224).

The spelling of 321513434134101 in words is "three hundred twenty-one trillion, five hundred thirteen billion, four hundred thirty-four million, one hundred thirty-four thousand, one hundred one".