343112401 has 8 divisors (see below), whose sum is σ = 344681640. Its totient is φ = 341547648.

The previous prime is 343112389. The next prime is 343112443. The reversal of 343112401 is 104211343.

It can be written as a sum of positive squares in 4 ways, for example, as 116640000 + 226472401 = 10800^2 + 15049^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343112401 is a prime.

It is a super-2 number, since 2×343112401² = 235452239439969602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343112491) 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, 308835 + ... + 309943.

It is an arithmetic number, because the mean of its divisors is an integer number (43085205).

Almost surely, 2^343112401 is an apocalyptic number.

It is an amenable number.

343112401 is a deficient number, since it is larger than the sum of its proper divisors (1569239).

343112401 is a wasteful number, since it uses less digits than its factorization.

343112401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 343112401 is about 18523.2934706547. The cubic root of 343112401 is about 700.0764549145.

Adding to 343112401 its reverse (104211343), we get a palindrome (447323744).

The spelling of 343112401 in words is "three hundred forty-three million, one hundred twelve thousand, four hundred one".