331020121322 has 48 divisors (see below), whose sum is σ = 552949649280. Its totient is φ = 148486990080.

The previous prime is 331020121319. The next prime is 331020121357. The reversal of 331020121322 is 223121020133.

It is a junction number, because it is equal to n+sod(n) for n = 331020121294 and 331020121303.

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, 69147413 + ... + 69152199.

It is an arithmetic number, because the mean of its divisors is an integer number (11519784360).

Almost surely, 2^331020121322 is an apocalyptic number.

331020121322 is a deficient number, since it is larger than the sum of its proper divisors (221929527958).

331020121322 is a wasteful number, since it uses less digits than its factorization.

331020121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507 (or 8496 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 331020121322 its reverse (223121020133), we get a palindrome (554141141455).

The spelling of 331020121322 in words is "three hundred thirty-one billion, twenty million, one hundred twenty-one thousand, three hundred twenty-two".