323130202312 has 8 divisors (see below), whose sum is σ = 605869129350. Its totient is φ = 161565101152.

The previous prime is 323130202279. The next prime is 323130202333. The reversal of 323130202312 is 213202031323.

It can be written as a sum of positive squares in only one way, i.e., 252753540516 + 70376661796 = 502746^2 + 265286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20195637637 + ... + 20195637652.

Almost surely, 2^323130202312 is an apocalyptic number.

It is an amenable number.

323130202312 is a deficient number, since it is larger than the sum of its proper divisors (282738927038).

323130202312 is a wasteful number, since it uses less digits than its factorization.

323130202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40391275295 (or 40391275291 counting only the distinct ones).

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

Adding to 323130202312 its reverse (213202031323), we get a palindrome (536332233635).

The spelling of 323130202312 in words is "three hundred twenty-three billion, one hundred thirty million, two hundred two thousand, three hundred twelve".