321134545232 has 20 divisors (see below), whose sum is σ = 643653292020. Its totient is φ = 155030469888.

The previous prime is 321134545219. The next prime is 321134545241. The reversal of 321134545232 is 232545431123.

It can be written as a sum of positive squares in 2 ways, for example, as 53220644416 + 267913900816 = 230696^2 + 517604^2 .

It is a super-2 number, since 2×321134545232² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321134545192 and 321134545201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346049693 + ... + 346050620.

It is an arithmetic number, because the mean of its divisors is an integer number (32182664601).

Almost surely, 2^321134545232 is an apocalyptic number.

It is an amenable number.

321134545232 is an abundant number, since it is smaller than the sum of its proper divisors (322518746788).

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

321134545232 is a wasteful number, since it uses less digits than its factorization.

321134545232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692100350 (or 692100344 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

Adding to 321134545232 its reverse (232545431123), we get a palindrome (553679976355).

The spelling of 321134545232 in words is "three hundred twenty-one billion, one hundred thirty-four million, five hundred forty-five thousand, two hundred thirty-two".