131255029 has 2 divisors, whose sum is σ = 131255030. Its totient is φ = 131255028.

The previous prime is 131254987. The next prime is 131255039. The reversal of 131255029 is 920552131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80460900 + 50794129 = 8970^2 + 7127^2 .

It is a cyclic number.

It is not a de Polignac number, because 131255029 - 2¹¹ = 131252981 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 131254988 and 131255006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131255039) 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, 65627514 + 65627515.

It is an arithmetic number, because the mean of its divisors is an integer number (65627515).

Almost surely, 2^131255029 is an apocalyptic number.

It is an amenable number.

131255029 is a deficient number, since it is larger than the sum of its proper divisors (1).

131255029 is an equidigital number, since it uses as much as digits as its factorization.

131255029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 131255029 is about 11456.6587188412. The cubic root of 131255029 is about 508.2046690639.

The spelling of 131255029 in words is "one hundred thirty-one million, two hundred fifty-five thousand, twenty-nine".