305400313343 has 2 divisors, whose sum is σ = 305400313344. Its totient is φ = 305400313342.

The previous prime is 305400313249. The next prime is 305400313373. The reversal of 305400313343 is 343313004503.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 305400313343 - 2¹⁴ = 305400296959 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305400313373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152700156671 + 152700156672.

It is an arithmetic number, because the mean of its divisors is an integer number (152700156672).

Almost surely, 2^305400313343 is an apocalyptic number.

305400313343 is a deficient number, since it is larger than the sum of its proper divisors (1).

305400313343 is an equidigital number, since it uses as much as digits as its factorization.

305400313343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 29.

Adding to 305400313343 its reverse (343313004503), we get a palindrome (648713317846).

The spelling of 305400313343 in words is "three hundred five billion, four hundred million, three hundred thirteen thousand, three hundred forty-three".