321040013332 has 6 divisors (see below), whose sum is σ = 561820023338. Its totient is φ = 160520006664.

The previous prime is 321040013251. The next prime is 321040013341. The reversal of 321040013332 is 233310040123.

It can be written as a sum of positive squares in only one way, i.e., 164068742916 + 156971270416 = 405054^2 + 396196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40130001663 + ... + 40130001670.

Almost surely, 2^321040013332 is an apocalyptic number.

It is an amenable number.

321040013332 is a deficient number, since it is larger than the sum of its proper divisors (240780010006).

321040013332 is a wasteful number, since it uses less digits than its factorization.

321040013332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80260003337 (or 80260003335 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 321040013332 its reverse (233310040123), we get a palindrome (554350053455).

The spelling of 321040013332 in words is "three hundred twenty-one billion, forty million, thirteen thousand, three hundred thirty-two".