20315343151 has 2 divisors, whose sum is σ = 20315343152. Its totient is φ = 20315343150.

The previous prime is 20315343131. The next prime is 20315343161. The reversal of 20315343151 is 15134351302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20315343151 - 2⁷ = 20315343023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20315343131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10157671575 + 10157671576.

It is an arithmetic number, because the mean of its divisors is an integer number (10157671576).

Almost surely, 2^20315343151 is an apocalyptic number.

20315343151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20315343151 is an equidigital number, since it uses as much as digits as its factorization.

20315343151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 20315343151 its reverse (15134351302), we get a palindrome (35449694453).

The spelling of 20315343151 in words is "twenty billion, three hundred fifteen million, three hundred forty-three thousand, one hundred fifty-one".