331344002421143 has 4 divisors (see below), whose sum is σ = 331353906032400. Its totient is φ = 331334098809888.

The previous prime is 331344002421121. The next prime is 331344002421169. The reversal of 331344002421143 is 341124200443133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331344002421143 - 2⁶ = 331344002421079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331344002421043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4951755443 + ... + 4951822356.

It is an arithmetic number, because the mean of its divisors is an integer number (82838476508100).

Almost surely, 2^{331344002421143} is an apocalyptic number.

331344002421143 is a deficient number, since it is larger than the sum of its proper divisors (9903611257).

331344002421143 is an equidigital number, since it uses as much as digits as its factorization.

331344002421143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9903611256.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 331344002421143 its reverse (341124200443133), we get a palindrome (672468202864276).

The spelling of 331344002421143 in words is "three hundred thirty-one trillion, three hundred forty-four billion, two million, four hundred twenty-one thousand, one hundred forty-three".