20341313 has 2 divisors, whose sum is σ = 20341314. Its totient is φ = 20341312.

The previous prime is 20341303. The next prime is 20341327. The reversal of 20341313 is 31314302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19775809 + 565504 = 4447^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 20341313 - 2⁴ = 20341297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20341291 and 20341300.

It is not a weakly prime, because it can be changed into another prime (20341303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170656 + 10170657.

It is an arithmetic number, because the mean of its divisors is an integer number (10170657).

Almost surely, 2^20341313 is an apocalyptic number.

It is an amenable number.

20341313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20341313 is an equidigital number, since it uses as much as digits as its factorization.

20341313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 20341313 is about 4510.1344769308. The cubic root of 20341313 is about 272.9771702879.

Adding to 20341313 its reverse (31314302), we get a palindrome (51655615).

The spelling of 20341313 in words is "twenty million, three hundred forty-one thousand, three hundred thirteen".