340453234313 has 2 divisors, whose sum is σ = 340453234314. Its totient is φ = 340453234312.

The previous prime is 340453234291. The next prime is 340453234349. The reversal of 340453234313 is 313432354043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337570296064 + 2882938249 = 581008^2 + 53693^2 .

It is a cyclic number.

It is not a de Polignac number, because 340453234313 - 2⁶ = 340453234249 is a prime.

It is not a weakly prime, because it can be changed into another prime (340453234393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170226617156 + 170226617157.

It is an arithmetic number, because the mean of its divisors is an integer number (170226617157).

Almost surely, 2^340453234313 is an apocalyptic number.

It is an amenable number.

340453234313 is a deficient number, since it is larger than the sum of its proper divisors (1).

340453234313 is an equidigital number, since it uses as much as digits as its factorization.

340453234313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 35.

Adding to 340453234313 its reverse (313432354043), we get a palindrome (653885588356).

The spelling of 340453234313 in words is "three hundred forty billion, four hundred fifty-three million, two hundred thirty-four thousand, three hundred thirteen".