305315231413 has 2 divisors, whose sum is σ = 305315231414. Its totient is φ = 305315231412.

The previous prime is 305315231411. The next prime is 305315231447. The reversal of 305315231413 is 314132513503.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240828692049 + 64486539364 = 490743^2 + 253942^2 .

It is an emirp because it is prime and its reverse (314132513503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 305315231413 - 2¹ = 305315231411 is a prime.

Together with 305315231411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305315231411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152657615706 + 152657615707.

It is an arithmetic number, because the mean of its divisors is an integer number (152657615707).

Almost surely, 2^305315231413 is an apocalyptic number.

It is an amenable number.

305315231413 is a deficient number, since it is larger than the sum of its proper divisors (1).

305315231413 is an equidigital number, since it uses as much as digits as its factorization.

305315231413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 305315231413 its reverse (314132513503), we get a palindrome (619447744916).

The spelling of 305315231413 in words is "three hundred five billion, three hundred fifteen million, two hundred thirty-one thousand, four hundred thirteen".