20231313727 has 2 divisors, whose sum is σ = 20231313728. Its totient is φ = 20231313726.

The previous prime is 20231313689. The next prime is 20231313749. The reversal of 20231313727 is 72731313202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20231313727 - 2²⁷ = 20097095999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20231313127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115656863 + 10115656864.

It is an arithmetic number, because the mean of its divisors is an integer number (10115656864).

Almost surely, 2^20231313727 is an apocalyptic number.

20231313727 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231313727 is an equidigital number, since it uses as much as digits as its factorization.

20231313727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 31.

Adding to 20231313727 its reverse (72731313202), we get a palindrome (92962626929).

The spelling of 20231313727 in words is "twenty billion, two hundred thirty-one million, three hundred thirteen thousand, seven hundred twenty-seven".