20313122134651 has 2 divisors, whose sum is σ = 20313122134652. Its totient is φ = 20313122134650.

The previous prime is 20313122134639. The next prime is 20313122134759. The reversal of 20313122134651 is 15643122131302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20313122134651 - 2⁵ = 20313122134619 is a prime.

It is not a weakly prime, because it can be changed into another prime (20313122134051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156561067325 + 10156561067326.

It is an arithmetic number, because the mean of its divisors is an integer number (10156561067326).

Almost surely, 2^{20313122134651} is an apocalyptic number.

20313122134651 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313122134651 is an equidigital number, since it uses as much as digits as its factorization.

20313122134651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 20313122134651 its reverse (15643122131302), we get a palindrome (35956244265953).

The spelling of 20313122134651 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty-two million, one hundred thirty-four thousand, six hundred fifty-one".