340431403043313 has 12 divisors (see below), whose sum is σ = 491736744215028. Its totient is φ = 226953116984160.

The previous prime is 340431403043311. The next prime is 340431403043321. The reversal of 340431403043313 is 313340304134043.

340431403043313 is a `hidden beast` number, since 3 + 4 + 0 + 4 + 3 + 14 + 0 + 304 + 331 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 199251094990689 + 141180308052624 = 14115633^2 + 11881932^2 .

It is not a de Polignac number, because 340431403043313 - 2¹ = 340431403043311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340431403043311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94101970 + ... + 97652667.

It is an arithmetic number, because the mean of its divisors is an integer number (40978062017919).

Almost surely, 2^{340431403043313} is an apocalyptic number.

It is an amenable number.

340431403043313 is a deficient number, since it is larger than the sum of its proper divisors (151305341171715).

340431403043313 is a wasteful number, since it uses less digits than its factorization.

340431403043313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191951904 (or 191951901 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

Adding to 340431403043313 its reverse (313340304134043), we get a palindrome (653771707177356).

The spelling of 340431403043313 in words is "three hundred forty trillion, four hundred thirty-one billion, four hundred three million, forty-three thousand, three hundred thirteen".