343143161 has 4 divisors (see below), whose sum is σ = 346474752. Its totient is φ = 339811572.

The previous prime is 343143133. The next prime is 343143169. The reversal of 343143161 is 161341343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161341343 = 23 ⋅7014841.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343143161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343143161.

It is not an unprimeable number, because it can be changed into a prime (343143169) 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, 1665641 + ... + 1665846.

It is an arithmetic number, because the mean of its divisors is an integer number (86618688).

Almost surely, 2^343143161 is an apocalyptic number.

It is an amenable number.

343143161 is a deficient number, since it is larger than the sum of its proper divisors (3331591).

343143161 is a wasteful number, since it uses less digits than its factorization.

343143161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331590.

The product of its digits is 2592, while the sum is 26.

The square root of 343143161 is about 18524.1237579541. The cubic root of 343143161 is about 700.0973748892.

The spelling of 343143161 in words is "three hundred forty-three million, one hundred forty-three thousand, one hundred sixty-one".