34100321 has 2 divisors, whose sum is σ = 34100322. Its totient is φ = 34100320.

The previous prime is 34100309. The next prime is 34100369. The reversal of 34100321 is 12300143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34093921 + 6400 = 5839^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 34100321 - 2⁶ = 34100257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34100296 and 34100305.

It is not a weakly prime, because it can be changed into another prime (34100371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17050160 + 17050161.

It is an arithmetic number, because the mean of its divisors is an integer number (17050161).

Almost surely, 2^34100321 is an apocalyptic number.

It is an amenable number.

34100321 is a deficient number, since it is larger than the sum of its proper divisors (1).

34100321 is an equidigital number, since it uses as much as digits as its factorization.

34100321 is an evil number, because the sum of its binary digits is even.

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

The square root of 34100321 is about 5839.5480133312. The cubic root of 34100321 is about 324.2794957818.

Adding to 34100321 its reverse (12300143), we get a palindrome (46400464).

The spelling of 34100321 in words is "thirty-four million, one hundred thousand, three hundred twenty-one".