343191061 has 4 divisors (see below), whose sum is σ = 344228224. Its totient is φ = 342153900.

The previous prime is 343191047. The next prime is 343191071. The reversal of 343191061 is 160191343.

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.

It is a cyclic number.

It is not a de Polignac number, because 343191061 - 2⁵ = 343191029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343191001) 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, 518085 + ... + 518746.

It is an arithmetic number, because the mean of its divisors is an integer number (86057056).

Almost surely, 2^343191061 is an apocalyptic number.

It is an amenable number.

343191061 is a deficient number, since it is larger than the sum of its proper divisors (1037163).

343191061 is a wasteful number, since it uses less digits than its factorization.

343191061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037162.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 343191061 is about 18525.4166214960. The cubic root of 343191061 is about 700.1299493438.

The spelling of 343191061 in words is "three hundred forty-three million, one hundred ninety-one thousand, sixty-one".