343131253 has 2 divisors, whose sum is σ = 343131254. Its totient is φ = 343131252.

The previous prime is 343131233. The next prime is 343131263. The reversal of 343131253 is 352131343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339222724 + 3908529 = 18418^2 + 1977^2 .

It is a cyclic number.

It is not a de Polignac number, because 343131253 - 2¹³ = 343123061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343131233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171565626 + 171565627.

It is an arithmetic number, because the mean of its divisors is an integer number (171565627).

Almost surely, 2^343131253 is an apocalyptic number.

It is an amenable number.

343131253 is a deficient number, since it is larger than the sum of its proper divisors (1).

343131253 is an equidigital number, since it uses as much as digits as its factorization.

343131253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 25.

The square root of 343131253 is about 18523.8023364535. The cubic root of 343131253 is about 700.0892763685.

Adding to 343131253 its reverse (352131343), we get a palindrome (695262596).

The spelling of 343131253 in words is "three hundred forty-three million, one hundred thirty-one thousand, two hundred fifty-three".