331340423233 has 4 divisors (see below), whose sum is σ = 338390219520. Its totient is φ = 324290626948.

The previous prime is 331340423231. The next prime is 331340423251. The reversal of 331340423233 is 332324043133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332324043133 = 44221 ⋅7515073.

It is a cyclic number.

It is not a de Polignac number, because 331340423233 - 2¹ = 331340423231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331340423195 and 331340423204.

It is not an unprimeable number, because it can be changed into a prime (331340423231) 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, 3524898073 + ... + 3524898166.

It is an arithmetic number, because the mean of its divisors is an integer number (84597554880).

Almost surely, 2^331340423233 is an apocalyptic number.

It is an amenable number.

331340423233 is a deficient number, since it is larger than the sum of its proper divisors (7049796287).

331340423233 is an equidigital number, since it uses as much as digits as its factorization.

331340423233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7049796286.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 331340423233 its reverse (332324043133), we get a palindrome (663664466366).

The spelling of 331340423233 in words is "three hundred thirty-one billion, three hundred forty million, four hundred twenty-three thousand, two hundred thirty-three".