340431012043343 has 36 divisors (see below), whose sum is σ = 376099240840128. Its totient is φ = 308000991916800.

The previous prime is 340431012043333. The next prime is 340431012043349. The reversal of 340431012043343 is 343340210134043.

It is not a de Polignac number, because 340431012043343 - 2³⁴ = 340413832174159 is a prime.

It is a super-2 number, since 2×340431012043343² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340431012043349) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 197394818 + ... + 199111968.

It is an arithmetic number, because the mean of its divisors is an integer number (10447201134448).

Almost surely, 2^{340431012043343} is an apocalyptic number.

340431012043343 is a deficient number, since it is larger than the sum of its proper divisors (35668228796785).

340431012043343 is a wasteful number, since it uses less digits than its factorization.

340431012043343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717632 (or 1717560 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 340431012043343 its reverse (343340210134043), we get a palindrome (683771222177386).

The spelling of 340431012043343 in words is "three hundred forty trillion, four hundred thirty-one billion, twelve million, forty-three thousand, three hundred forty-three".