20313300353 has 2 divisors, whose sum is σ = 20313300354. Its totient is φ = 20313300352.

The previous prime is 20313300341. The next prime is 20313300367. The reversal of 20313300353 is 35300331302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20052542449 + 260757904 = 141607^2 + 16148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20313300353 is a prime.

It is not a weakly prime, because it can be changed into another prime (20313300383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156650176 + 10156650177.

It is an arithmetic number, because the mean of its divisors is an integer number (10156650177).

Almost surely, 2^20313300353 is an apocalyptic number.

It is an amenable number.

20313300353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313300353 is an equidigital number, since it uses as much as digits as its factorization.

20313300353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 23.

Adding to 20313300353 its reverse (35300331302), we get a palindrome (55613631655).

The spelling of 20313300353 in words is "twenty billion, three hundred thirteen million, three hundred thousand, three hundred fifty-three".