331313312022 has 256 divisors, whose sum is σ = 881656012800. Its totient is φ = 80403840000.

The previous prime is 331313312009. The next prime is 331313312023. The reversal of 331313312022 is 220213313133.

It is a junction number, because it is equal to n+sod(n) for n = 331313311983 and 331313312001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331313312023) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 293456754 + ... + 293457882.

It is an arithmetic number, because the mean of its divisors is an integer number (3443968800).

Almost surely, 2^331313312022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331313312022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440828006400).

331313312022 is an abundant number, since it is smaller than the sum of its proper divisors (550342700778).

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

331313312022 is a wasteful number, since it uses less digits than its factorization.

331313312022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 331313312022 its reverse (220213313133), we get a palindrome (551526625155).

The spelling of 331313312022 in words is "three hundred thirty-one billion, three hundred thirteen million, three hundred twelve thousand, twenty-two".