331213412046 has 96 divisors (see below), whose sum is σ = 735304114944. Its totient is φ = 99379526400.

The previous prime is 331213412041. The next prime is 331213412069. The reversal of 331213412046 is 640214312133.

It is a super-2 number, since 2×331213412046² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331213412041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143319231 + ... + 143321541.

It is an arithmetic number, because the mean of its divisors is an integer number (7659417864).

Almost surely, 2^331213412046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331213412046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367652057472).

331213412046 is an abundant number, since it is smaller than the sum of its proper divisors (404090702898).

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

331213412046 is a wasteful number, since it uses less digits than its factorization.

331213412046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198 (or 4187 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 331213412046 its reverse (640214312133), we get a palindrome (971427724179).

The spelling of 331213412046 in words is "three hundred thirty-one billion, two hundred thirteen million, four hundred twelve thousand, forty-six".