320031101212 has 12 divisors (see below), whose sum is σ = 560061234936. Its totient is φ = 160013605520.

The previous prime is 320031101209. The next prime is 320031101231. The reversal of 320031101212 is 212101130023.

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, 77983 + ... + 803830.

It is an arithmetic number, because the mean of its divisors is an integer number (46671769578).

Almost surely, 2^320031101212 is an apocalyptic number.

It is an amenable number.

320031101212 is a deficient number, since it is larger than the sum of its proper divisors (240030133724).

320031101212 is a wasteful number, since it uses less digits than its factorization.

320031101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972548 (or 972546 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 320031101212 its reverse (212101130023), we get a palindrome (532132231235).

The spelling of 320031101212 in words is "three hundred twenty billion, thirty-one million, one hundred one thousand, two hundred twelve".