345435313 has 2 divisors, whose sum is σ = 345435314. Its totient is φ = 345435312.

The previous prime is 345435287. The next prime is 345435329. The reversal of 345435313 is 313534543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190108944 + 155326369 = 13788^2 + 12463^2 .

It is a cyclic number.

It is not a de Polignac number, because 345435313 - 2⁵ = 345435281 is a prime.

It is not a weakly prime, because it can be changed into another prime (345435113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172717656 + 172717657.

It is an arithmetic number, because the mean of its divisors is an integer number (172717657).

Almost surely, 2^345435313 is an apocalyptic number.

It is an amenable number.

345435313 is a deficient number, since it is larger than the sum of its proper divisors (1).

345435313 is an equidigital number, since it uses as much as digits as its factorization.

345435313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 31.

The square root of 345435313 is about 18585.8901589351. The cubic root of 345435313 is about 701.6527700833.

Adding to 345435313 its reverse (313534543), we get a palindrome (658969856).

The spelling of 345435313 in words is "three hundred forty-five million, four hundred thirty-five thousand, three hundred thirteen".