331421432034243 has 4 divisors (see below), whose sum is σ = 441895242712328. Its totient is φ = 220947621356160.

The previous prime is 331421432034131. The next prime is 331421432034247. The reversal of 331421432034243 is 342430234124133.

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

It is not a de Polignac number, because 331421432034243 - 2⁴⁴ = 313829245989827 is a prime.

It is a super-2 number, since 2×331421432034243² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331421432034247) 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, 55236905339038 + ... + 55236905339043.

It is an arithmetic number, because the mean of its divisors is an integer number (110473810678082).

Almost surely, 2^{331421432034243} is an apocalyptic number.

331421432034243 is a deficient number, since it is larger than the sum of its proper divisors (110473810678085).

331421432034243 is a wasteful number, since it uses less digits than its factorization.

331421432034243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110473810678084.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 331421432034243 its reverse (342430234124133), we get a palindrome (673851666158376).

The spelling of 331421432034243 in words is "three hundred thirty-one trillion, four hundred twenty-one billion, four hundred thirty-two million, thirty-four thousand, two hundred forty-three".