131020159 has 2 divisors, whose sum is σ = 131020160. Its totient is φ = 131020158.

The previous prime is 131020151. The next prime is 131020177. The reversal of 131020159 is 951020131.

It is a weak prime.

It is an emirp because it is prime and its reverse (951020131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131020159 - 2³ = 131020151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131020151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510079 + 65510080.

It is an arithmetic number, because the mean of its divisors is an integer number (65510080).

Almost surely, 2^131020159 is an apocalyptic number.

131020159 is a deficient number, since it is larger than the sum of its proper divisors (1).

131020159 is an equidigital number, since it uses as much as digits as its factorization.

131020159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 131020159 is about 11446.4037583863. The cubic root of 131020159 is about 507.9013580250.

The spelling of 131020159 in words is "one hundred thirty-one million, twenty thousand, one hundred fifty-nine".