331085118523 has 2 divisors, whose sum is σ = 331085118524. Its totient is φ = 331085118522.

The previous prime is 331085118509. The next prime is 331085118547. The reversal of 331085118523 is 325811580133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331085118523 - 2³⁷ = 193646165051 is a prime.

It is not a weakly prime, because it can be changed into another prime (331085118223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165542559261 + 165542559262.

It is an arithmetic number, because the mean of its divisors is an integer number (165542559262).

Almost surely, 2^331085118523 is an apocalyptic number.

331085118523 is a deficient number, since it is larger than the sum of its proper divisors (1).

331085118523 is an equidigital number, since it uses as much as digits as its factorization.

331085118523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 40.

Adding to 331085118523 its reverse (325811580133), we get a palindrome (656896698656).

The spelling of 331085118523 in words is "three hundred thirty-one billion, eighty-five million, one hundred eighteen thousand, five hundred twenty-three".