340103323513 has 4 divisors (see below), whose sum is σ = 340669219828. Its totient is φ = 339537427200.

The previous prime is 340103323487. The next prime is 340103323559. The reversal of 340103323513 is 315323301043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134375764329 + 205727559184 = 366573^2 + 453572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340103323513 is a prime.

It is a super-2 number, since 2×340103323513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340103323213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282947256 + ... + 282948457.

It is an arithmetic number, because the mean of its divisors is an integer number (85167304957).

Almost surely, 2^340103323513 is an apocalyptic number.

It is an amenable number.

340103323513 is a deficient number, since it is larger than the sum of its proper divisors (565896315).

340103323513 is an equidigital number, since it uses as much as digits as its factorization.

340103323513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565896314.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 340103323513 its reverse (315323301043), we get a palindrome (655426624556).

The spelling of 340103323513 in words is "three hundred forty billion, one hundred three million, three hundred twenty-three thousand, five hundred thirteen".