321032133223232 has 28 divisors (see below), whose sum is σ = 638756043271236. Its totient is φ = 160085728619520.

The previous prime is 321032133223213. The next prime is 321032133223237. The reversal of 321032133223232 is 232322331230123.

It can be written as a sum of positive squares in 2 ways, for example, as 178472927109376 + 142559206113856 = 13359376^2 + 11939816^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321032133223237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6724007069 + ... + 6724054812.

Almost surely, 2^{321032133223232} is an apocalyptic number.

321032133223232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321032133223232 is a deficient number, since it is larger than the sum of its proper divisors (317723910048004).

321032133223232 is a wasteful number, since it uses less digits than its factorization.

321032133223232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13448062266 (or 13448062256 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 321032133223232 its reverse (232322331230123), we get a palindrome (553354464453355).

The spelling of 321032133223232 in words is "three hundred twenty-one trillion, thirty-two billion, one hundred thirty-three million, two hundred twenty-three thousand, two hundred thirty-two".