131022210239 has 2 divisors, whose sum is σ = 131022210240. Its totient is φ = 131022210238.

The previous prime is 131022210227. The next prime is 131022210317. The reversal of 131022210239 is 932012220131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131022210239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131022216239) 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, 65511105119 + 65511105120.

It is an arithmetic number, because the mean of its divisors is an integer number (65511105120).

Almost surely, 2^131022210239 is an apocalyptic number.

131022210239 is a deficient number, since it is larger than the sum of its proper divisors (1).

131022210239 is an equidigital number, since it uses as much as digits as its factorization.

131022210239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 131022210239 in words is "one hundred thirty-one billion, twenty-two million, two hundred ten thousand, two hundred thirty-nine".