331433220304243 has 16 divisors (see below), whose sum is σ = 342559092395520. Its totient is φ = 320465021050944.

The previous prime is 331433220304213. The next prime is 331433220304271. The reversal of 331433220304243 is 342403022334133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331433220304243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331433220304213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1623871 + ... + 25797352.

It is an arithmetic number, because the mean of its divisors is an integer number (21409943274720).

Almost surely, 2^{331433220304243} is an apocalyptic number.

331433220304243 is a deficient number, since it is larger than the sum of its proper divisors (11125872091277).

331433220304243 is a wasteful number, since it uses less digits than its factorization.

331433220304243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27424098.

The product of its (nonzero) digits is 373248, while the sum is 37.

Adding to 331433220304243 its reverse (342403022334133), we get a palindrome (673836242638376).

The spelling of 331433220304243 in words is "three hundred thirty-one trillion, four hundred thirty-three billion, two hundred twenty million, three hundred four thousand, two hundred forty-three".