314431665523 has 2 divisors, whose sum is σ = 314431665524. Its totient is φ = 314431665522.

The previous prime is 314431665521. The next prime is 314431665529. The reversal of 314431665523 is 325566134413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 314431665523 - 2¹ = 314431665521 is a prime.

Together with 314431665521, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 314431665523.

It is not a weakly prime, because it can be changed into another prime (314431665521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157215832761 + 157215832762.

It is an arithmetic number, because the mean of its divisors is an integer number (157215832762).

Almost surely, 2^314431665523 is an apocalyptic number.

314431665523 is a deficient number, since it is larger than the sum of its proper divisors (1).

314431665523 is an equidigital number, since it uses as much as digits as its factorization.

314431665523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 43.

Adding to 314431665523 its reverse (325566134413), we get a palindrome (639997799936).

The spelling of 314431665523 in words is "three hundred fourteen billion, four hundred thirty-one million, six hundred sixty-five thousand, five hundred twenty-three".