20131301243363 has 2 divisors, whose sum is σ = 20131301243364. Its totient is φ = 20131301243362.

The previous prime is 20131301243353. The next prime is 20131301243411. The reversal of 20131301243363 is 36334210313102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20131301243363 - 2²⁶ = 20131234134499 is a prime.

It is not a weakly prime, because it can be changed into another prime (20131301243353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065650621681 + 10065650621682.

It is an arithmetic number, because the mean of its divisors is an integer number (10065650621682).

Almost surely, 2^{20131301243363} is an apocalyptic number.

20131301243363 is a deficient number, since it is larger than the sum of its proper divisors (1).

20131301243363 is an equidigital number, since it uses as much as digits as its factorization.

20131301243363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 20131301243363 its reverse (36334210313102), we get a palindrome (56465511556465).

The spelling of 20131301243363 in words is "twenty trillion, one hundred thirty-one billion, three hundred one million, two hundred forty-three thousand, three hundred sixty-three".