331222323000 has 128 divisors (see below), whose sum is σ = 1042559968320. Its totient is φ = 87544217600.

The previous prime is 331222322999. The next prime is 331222323001. The reversal of 331222323000 is 323222133.

It is an interprime number because it is at equal distance from previous prime (331222322999) and next prime (331222323001).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331222323001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149529 + ... + 827528.

Almost surely, 2^331222323000 is an apocalyptic number.

331222323000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331222323000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521279984160).

331222323000 is an abundant number, since it is smaller than the sum of its proper divisors (711337645320).

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

331222323000 is a wasteful number, since it uses less digits than its factorization.

331222323000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977194 (or 977180 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 331222323000 its reverse (323222133), we get a palindrome (331545545133).

The spelling of 331222323000 in words is "three hundred thirty-one billion, two hundred twenty-two million, three hundred twenty-three thousand".