34310421 has 6 divisors (see below), whose sum is σ = 49559510. Its totient is φ = 22873608.

The previous prime is 34310413. The next prime is 34310449. The reversal of 34310421 is 12401343.

It can be written as a sum of positive squares in only one way, i.e., 21068100 + 13242321 = 4590^2 + 3639^2 .

It is not a de Polignac number, because 34310421 - 2³ = 34310413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34310394 and 34310403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34310401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1906126 + ... + 1906143.

Almost surely, 2^34310421 is an apocalyptic number.

It is an amenable number.

34310421 is a deficient number, since it is larger than the sum of its proper divisors (15249089).

34310421 is a wasteful number, since it uses less digits than its factorization.

34310421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812275 (or 3812272 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 34310421 is about 5857.5097951263. The cubic root of 34310421 is about 324.9441197811.

Adding to 34310421 its reverse (12401343), we get a palindrome (46711764).

The spelling of 34310421 in words is "thirty-four million, three hundred ten thousand, four hundred twenty-one".