305314431413 has 2 divisors, whose sum is σ = 305314431414. Its totient is φ = 305314431412.

The previous prime is 305314431391. The next prime is 305314431493. The reversal of 305314431413 is 314134413503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248185305124 + 57129126289 = 498182^2 + 239017^2 .

It is an emirp because it is prime and its reverse (314134413503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 305314431413 - 2²⁸ = 305045995957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 305314431413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305314431493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152657215706 + 152657215707.

It is an arithmetic number, because the mean of its divisors is an integer number (152657215707).

Almost surely, 2^305314431413 is an apocalyptic number.

It is an amenable number.

305314431413 is a deficient number, since it is larger than the sum of its proper divisors (1).

305314431413 is an equidigital number, since it uses as much as digits as its factorization.

305314431413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 305314431413 its reverse (314134413503), we get a palindrome (619448844916).

The spelling of 305314431413 in words is "three hundred five billion, three hundred fourteen million, four hundred thirty-one thousand, four hundred thirteen".