331030144242043 has 4 divisors (see below), whose sum is σ = 339104050199208. Its totient is φ = 322956238284880.

The previous prime is 331030144241999. The next prime is 331030144242079. The reversal of 331030144242043 is 340242441030133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331030144242043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331030144542043) 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, 4036952978521 + ... + 4036952978602.

It is an arithmetic number, because the mean of its divisors is an integer number (84776012549802).

Almost surely, 2^{331030144242043} is an apocalyptic number.

331030144242043 is a deficient number, since it is larger than the sum of its proper divisors (8073905957165).

331030144242043 is an equidigital number, since it uses as much as digits as its factorization.

331030144242043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8073905957164.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 331030144242043 its reverse (340242441030133), we get a palindrome (671272585272176).

The spelling of 331030144242043 in words is "three hundred thirty-one trillion, thirty billion, one hundred forty-four million, two hundred forty-two thousand, forty-three".