321213232032135 has 8 divisors (see below), whose sum is σ = 513941171251440. Its totient is φ = 171313723750464.

The previous prime is 321213232032037. The next prime is 321213232032139. The reversal of 321213232032135 is 531230232312123.

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

It is not a de Polignac number, because 321213232032135 - 2³⁰ = 321212158290311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321213232032096 and 321213232032105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213232032139) 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, 10707107734390 + ... + 10707107734419.

It is an arithmetic number, because the mean of its divisors is an integer number (64242646406430).

Almost surely, 2^{321213232032135} is an apocalyptic number.

321213232032135 is a deficient number, since it is larger than the sum of its proper divisors (192727939219305).

321213232032135 is a wasteful number, since it uses less digits than its factorization.

321213232032135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21414215468817.

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 321213232032135 its reverse (531230232312123), we get a palindrome (852443464344258).

The spelling of 321213232032135 in words is "three hundred twenty-one trillion, two hundred thirteen billion, two hundred thirty-two million, thirty-two thousand, one hundred thirty-five".