346531313 has 2 divisors, whose sum is σ = 346531314. Its totient is φ = 346531312.

The previous prime is 346531261. The next prime is 346531321. The reversal of 346531313 is 313135643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337934689 + 8596624 = 18383^2 + 2932^2 .

It is a cyclic number.

It is not a de Polignac number, because 346531313 - 2²⁰ = 345482737 is a prime.

It is not a weakly prime, because it can be changed into another prime (346531343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173265656 + 173265657.

It is an arithmetic number, because the mean of its divisors is an integer number (173265657).

Almost surely, 2^346531313 is an apocalyptic number.

It is an amenable number.

346531313 is a deficient number, since it is larger than the sum of its proper divisors (1).

346531313 is an equidigital number, since it uses as much as digits as its factorization.

346531313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 29.

The square root of 346531313 is about 18615.3515411340. The cubic root of 346531313 is about 702.3940565404.

Adding to 346531313 its reverse (313135643), we get a palindrome (659666956).

The spelling of 346531313 in words is "three hundred forty-six million, five hundred thirty-one thousand, three hundred thirteen".