331213443000000 has 392 divisors, whose sum is σ = 1194987870209472. Its totient is φ = 80294160000000.

The previous prime is 331213442999981. The next prime is 331213443000001. The reversal of 331213443000000 is 344312133.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (331213443000001) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 27981615 + ... + 38018385.

Almost surely, 2^{331213443000000} is an apocalyptic number.

331213443000000 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 331213443000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597493935104736).

331213443000000 is an abundant number, since it is smaller than the sum of its proper divisors (863774427209472).

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

331213443000000 is an equidigital number, since it uses as much as digits as its factorization.

331213443000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10036827 (or 10036792 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 331213443000000 its reverse (344312133), we get a palindrome (331213787312133).

The spelling of 331213443000000 in words is "three hundred thirty-one trillion, two hundred thirteen billion, four hundred forty-three million", and thus it is an aban number.