343401013 has 4 divisors (see below), whose sum is σ = 343455948. Its totient is φ = 343346080.

The previous prime is 343400989. The next prime is 343401067. The reversal of 343401013 is 310104343.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5650129 + 337750884 = 2377^2 + 18378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343401013 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 (343401613) 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, 16678 + ... + 31063.

It is an arithmetic number, because the mean of its divisors is an integer number (85863987).

Almost surely, 2^343401013 is an apocalyptic number.

It is an amenable number.

343401013 is a deficient number, since it is larger than the sum of its proper divisors (54935).

343401013 is an equidigital number, since it uses as much as digits as its factorization.

343401013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54934.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 343401013 is about 18531.0823483141. The cubic root of 343401013 is about 700.2726917157.

Adding to 343401013 its reverse (310104343), we get a palindrome (653505356).

It can be divided in two parts, 34340 and 1013, that added together give a palindrome (35353).

The spelling of 343401013 in words is "three hundred forty-three million, four hundred one thousand, thirteen".