34103021 has 4 divisors (see below), whose sum is σ = 34934844. Its totient is φ = 33271200.

The previous prime is 34102993. The next prime is 34103039. The reversal of 34103021 is 12030143.

34103021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3422500 + 30680521 = 1850^2 + 5539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34103021 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 = 34102987 and 34103005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34100021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415850 + ... + 415931.

It is an arithmetic number, because the mean of its divisors is an integer number (8733711).

Almost surely, 2^34103021 is an apocalyptic number.

It is an amenable number.

34103021 is a deficient number, since it is larger than the sum of its proper divisors (831823).

34103021 is an equidigital number, since it uses as much as digits as its factorization.

34103021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831822.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 34103021 is about 5839.7791910311. The cubic root of 34103021 is about 324.2880541717.

Adding to 34103021 its reverse (12030143), we get a palindrome (46133164).

The spelling of 34103021 in words is "thirty-four million, one hundred three thousand, twenty-one".