343031979 has 8 divisors (see below), whose sum is σ = 457462080. Its totient is φ = 228644936.

The previous prime is 343031939. The next prime is 343032007. The reversal of 343031979 is 979130343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343031979 - 2⁷ = 343031851 is a prime.

It is a super-3 number, since 3×343031979³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (343031939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22624 + ... + 34610.

It is an arithmetic number, because the mean of its divisors is an integer number (57182760).

Almost surely, 2^343031979 is an apocalyptic number.

343031979 is a deficient number, since it is larger than the sum of its proper divisors (114430101).

343031979 is a wasteful number, since it uses less digits than its factorization.

343031979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21529.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 343031979 is about 18521.1225091785. The cubic root of 343031979 is about 700.0217537457.

The spelling of 343031979 in words is "three hundred forty-three million, thirty-one thousand, nine hundred seventy-nine".