321203131132 has 24 divisors (see below), whose sum is σ = 605565479232. Its totient is φ = 148193448000.

The previous prime is 321203131091. The next prime is 321203131141. The reversal of 321203131132 is 231131302123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984244 + ... + 1269307.

It is an arithmetic number, because the mean of its divisors is an integer number (25231894968).

Almost surely, 2^321203131132 is an apocalyptic number.

It is an amenable number.

321203131132 is a deficient number, since it is larger than the sum of its proper divisors (284362348100).

321203131132 is a wasteful number, since it uses less digits than its factorization.

321203131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256309 (or 2256307 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 321203131132 its reverse (231131302123), we get a palindrome (552334433255).

The spelling of 321203131132 in words is "three hundred twenty-one billion, two hundred three million, one hundred thirty-one thousand, one hundred thirty-two".