321134052140 has 48 divisors (see below), whose sum is σ = 735785455104. Its totient is φ = 116760696000.

The previous prime is 321134052133. The next prime is 321134052143. The reversal of 321134052140 is 41250431123.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (321134052143) 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, 1657427 + ... + 1841013.

It is an arithmetic number, because the mean of its divisors is an integer number (15328863648).

Almost surely, 2^321134052140 is an apocalyptic number.

It is an amenable number.

321134052140 is an abundant number, since it is smaller than the sum of its proper divisors (414651402964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321134052140 is a wasteful number, since it uses less digits than its factorization.

321134052140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191558 (or 191556 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 321134052140 its reverse (41250431123), we get a palindrome (362384483263).

The spelling of 321134052140 in words is "three hundred twenty-one billion, one hundred thirty-four million, fifty-two thousand, one hundred forty".