321134135253 has 8 divisors (see below), whose sum is σ = 428467967616. Its totient is φ = 213944863200.

The previous prime is 321134135251. The next prime is 321134135291. The reversal of 321134135253 is 352531431123.

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

It is not a de Polignac number, because 321134135253 - 2¹ = 321134135251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321134135251) 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, 36134893 + ... + 36143778.

It is an arithmetic number, because the mean of its divisors is an integer number (53558495952).

Almost surely, 2^321134135253 is an apocalyptic number.

It is an amenable number.

321134135253 is a deficient number, since it is larger than the sum of its proper divisors (107333832363).

321134135253 is a wasteful number, since it uses less digits than its factorization.

321134135253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72280155.

The product of its digits is 32400, while the sum is 33.

Adding to 321134135253 its reverse (352531431123), we get a palindrome (673665566376).

The spelling of 321134135253 in words is "three hundred twenty-one billion, one hundred thirty-four million, one hundred thirty-five thousand, two hundred fifty-three".