331231212011322 has 48 divisors (see below), whose sum is σ = 850569038260032. Its totient is φ = 94637489145120.

The previous prime is 331231212011317. The next prime is 331231212011377. The reversal of 331231212011322 is 223110212132133.

331231212011322 is a `hidden beast` number, since 3 + 3 + 1 + 2 + 312 + 1 + 20 + 1 + 1 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48681832579 + ... + 48681839382.

It is an arithmetic number, because the mean of its divisors is an integer number (17720188297084).

Almost surely, 2^{331231212011322} is an apocalyptic number.

331231212011322 is an abundant number, since it is smaller than the sum of its proper divisors (519337826248710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331231212011322 is an equidigital number, since it uses as much as digits as its factorization.

331231212011322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97363671985 (or 97363671973 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 331231212011322 its reverse (223110212132133), we get a palindrome (554341424143455).

The spelling of 331231212011322 in words is "three hundred thirty-one trillion, two hundred thirty-one billion, two hundred twelve million, eleven thousand, three hundred twenty-two".