343442564450431 has 4 divisors (see below), whose sum is σ = 343639831864264. Its totient is φ = 343245297036600.

The previous prime is 343442564450413. The next prime is 343442564450443. The reversal of 343442564450431 is 134054465244343.

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

It is a cyclic number.

It is not a de Polignac number, because 343442564450431 - 2⁵ = 343442564450399 is a prime.

It is a super-2 number, since 2×343442564450431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343442564450831) 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, 98633704305 + ... + 98633707786.

It is an arithmetic number, because the mean of its divisors is an integer number (85909957966066).

Almost surely, 2^{343442564450431} is an apocalyptic number.

343442564450431 is a deficient number, since it is larger than the sum of its proper divisors (197267413833).

343442564450431 is a wasteful number, since it uses less digits than its factorization.

343442564450431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197267413832.

The product of its (nonzero) digits is 33177600, while the sum is 52.

The spelling of 343442564450431 in words is "three hundred forty-three trillion, four hundred forty-two billion, five hundred sixty-four million, four hundred fifty thousand, four hundred thirty-one".