20313121159 has 2 divisors, whose sum is σ = 20313121160. Its totient is φ = 20313121158.

The previous prime is 20313121121. The next prime is 20313121183. The reversal of 20313121159 is 95112131302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20313121159 - 2¹⁵ = 20313088391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20313121259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156560579 + 10156560580.

It is an arithmetic number, because the mean of its divisors is an integer number (10156560580).

Almost surely, 2^20313121159 is an apocalyptic number.

20313121159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313121159 is an equidigital number, since it uses as much as digits as its factorization.

20313121159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The spelling of 20313121159 in words is "twenty billion, three hundred thirteen million, one hundred twenty-one thousand, one hundred fifty-nine".