331140242123 has 2 divisors, whose sum is σ = 331140242124. Its totient is φ = 331140242122.

The previous prime is 331140242119. The next prime is 331140242129. The reversal of 331140242123 is 321242041133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331140242123 - 2² = 331140242119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331140242092 and 331140242101.

It is not a weakly prime, because it can be changed into another prime (331140242129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165570121061 + 165570121062.

It is an arithmetic number, because the mean of its divisors is an integer number (165570121062).

Almost surely, 2^331140242123 is an apocalyptic number.

331140242123 is a deficient number, since it is larger than the sum of its proper divisors (1).

331140242123 is an equidigital number, since it uses as much as digits as its factorization.

331140242123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 331140242123 its reverse (321242041133), we get a palindrome (652382283256).

The spelling of 331140242123 in words is "three hundred thirty-one billion, one hundred forty million, two hundred forty-two thousand, one hundred twenty-three".