331116304523 has 2 divisors, whose sum is σ = 331116304524. Its totient is φ = 331116304522.

The previous prime is 331116304517. The next prime is 331116304529. The reversal of 331116304523 is 325403611133.

It is a balanced prime because it is at equal distance from previous prime (331116304517) and next prime (331116304529).

It is a cyclic number.

It is not a de Polignac number, because 331116304523 - 2⁶ = 331116304459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331116304523.

It is not a weakly prime, because it can be changed into another prime (331116304529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165558152261 + 165558152262.

It is an arithmetic number, because the mean of its divisors is an integer number (165558152262).

Almost surely, 2^331116304523 is an apocalyptic number.

331116304523 is a deficient number, since it is larger than the sum of its proper divisors (1).

331116304523 is an equidigital number, since it uses as much as digits as its factorization.

331116304523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 331116304523 its reverse (325403611133), we get a palindrome (656519915656).

The spelling of 331116304523 in words is "three hundred thirty-one billion, one hundred sixteen million, three hundred four thousand, five hundred twenty-three".