343777313 has 8 divisors (see below), whose sum is σ = 375269760. Its totient is φ = 312324880.

The previous prime is 343777289. The next prime is 343777351. The reversal of 343777313 is 313777343.

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 343777313 - 2¹⁴ = 343760929 is a prime.

It is a super-4 number, since 4×343777313⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343777613) 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, 9656 + ... + 27942.

It is an arithmetic number, because the mean of its divisors is an integer number (46908720).

Almost surely, 2^343777313 is an apocalyptic number.

It is an amenable number.

343777313 is a deficient number, since it is larger than the sum of its proper divisors (31492447).

343777313 is a wasteful number, since it uses less digits than its factorization.

343777313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20007.

The product of its digits is 111132, while the sum is 38.

The square root of 343777313 is about 18541.2327799421. The cubic root of 343777313 is about 700.5283854089.

The spelling of 343777313 in words is "three hundred forty-three million, seven hundred seventy-seven thousand, three hundred thirteen".