340421433132313 has 4 divisors (see below), whose sum is σ = 366607697219428. Its totient is φ = 314235169045200.

The previous prime is 340421433132311. The next prime is 340421433132329. The reversal of 340421433132313 is 313231334124043.

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 189031343783689 + 151390089348624 = 13748867^2 + 12304068^2 .

It is not a de Polignac number, because 340421433132313 - 2¹ = 340421433132311 is a prime.

It is a super-2 number, since 2×340421433132313² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340421433132311) 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, 13093132043538 + ... + 13093132043563.

It is an arithmetic number, because the mean of its divisors is an integer number (91651924304857).

Almost surely, 2^{340421433132313} is an apocalyptic number.

It is an amenable number.

340421433132313 is a deficient number, since it is larger than the sum of its proper divisors (26186264087115).

340421433132313 is a wasteful number, since it uses less digits than its factorization.

340421433132313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26186264087114.

The product of its (nonzero) digits is 186624, while the sum is 37.

Adding to 340421433132313 its reverse (313231334124043), we get a palindrome (653652767256356).

The spelling of 340421433132313 in words is "three hundred forty trillion, four hundred twenty-one billion, four hundred thirty-three million, one hundred thirty-two thousand, three hundred thirteen".