343631369 has 2 divisors, whose sum is σ = 343631370. Its totient is φ = 343631368.

The previous prime is 343631317. The next prime is 343631377. The reversal of 343631369 is 963136343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312405625 + 31225744 = 17675^2 + 5588^2 .

It is a cyclic number.

It is not a de Polignac number, because 343631369 - 2²⁴ = 326854153 is a prime.

It is a super-2 number, since 2×343631369² = 236165035521628322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (343631969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171815684 + 171815685.

It is an arithmetic number, because the mean of its divisors is an integer number (171815685).

Almost surely, 2^343631369 is an apocalyptic number.

It is an amenable number.

343631369 is a deficient number, since it is larger than the sum of its proper divisors (1).

343631369 is an equidigital number, since it uses as much as digits as its factorization.

343631369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 38.

The square root of 343631369 is about 18537.2967015150. The cubic root of 343631369 is about 700.4292394580.

The spelling of 343631369 in words is "three hundred forty-three million, six hundred thirty-one thousand, three hundred sixty-nine".