343303131 has 16 divisors (see below), whose sum is σ = 486324000. Its totient is φ = 215002368.

The previous prime is 343303091. The next prime is 343303133. The reversal of 343303131 is 131303343.

It is not a de Polignac number, because 343303131 - 2¹¹ = 343301083 is a prime.

It is a super-2 number, since 2×343303131² = 235714079508806322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343303098 and 343303107.

It is not an unprimeable number, because it can be changed into a prime (343303133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50106 + ... + 56543.

It is an arithmetic number, because the mean of its divisors is an integer number (30395250).

Almost surely, 2^343303131 is an apocalyptic number.

343303131 is a deficient number, since it is larger than the sum of its proper divisors (143020869).

343303131 is a wasteful number, since it uses less digits than its factorization.

343303131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106718.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 343303131 is about 18528.4411378831. The cubic root of 343303131 is about 700.2061508470.

Adding to 343303131 its reverse (131303343), we get a palindrome (474606474).

The spelling of 343303131 in words is "three hundred forty-three million, three hundred three thousand, one hundred thirty-one".