20313300131 has 2 divisors, whose sum is σ = 20313300132. Its totient is φ = 20313300130.

The previous prime is 20313300109. The next prime is 20313300167. The reversal of 20313300131 is 13100331302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20313300131 - 2¹⁰ = 20313299107 is a prime.

It is a super-2 number, since 2×20313300131² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20313300101) 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, 10156650065 + 10156650066.

It is an arithmetic number, because the mean of its divisors is an integer number (10156650066).

Almost surely, 2^20313300131 is an apocalyptic number.

20313300131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313300131 is an equidigital number, since it uses as much as digits as its factorization.

20313300131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 20313300131 its reverse (13100331302), we get a palindrome (33413631433).

The spelling of 20313300131 in words is "twenty billion, three hundred thirteen million, three hundred thousand, one hundred thirty-one".