20213322313 has 2 divisors, whose sum is σ = 20213322314. Its totient is φ = 20213322312.

The previous prime is 20213322299. The next prime is 20213322329. The reversal of 20213322313 is 31322331202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20184453184 + 28869129 = 142072^2 + 5373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20213322313 is a prime.

It is not a weakly prime, because it can be changed into another prime (20213322713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106661156 + 10106661157.

It is an arithmetic number, because the mean of its divisors is an integer number (10106661157).

Almost surely, 2^20213322313 is an apocalyptic number.

It is an amenable number.

20213322313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20213322313 is an equidigital number, since it uses as much as digits as its factorization.

20213322313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20213322313 its reverse (31322331202), we get a palindrome (51535653515).

The spelling of 20213322313 in words is "twenty billion, two hundred thirteen million, three hundred twenty-two thousand, three hundred thirteen".