131002231201 has 2 divisors, whose sum is σ = 131002231202. Its totient is φ = 131002231200.

The previous prime is 131002231181. The next prime is 131002231223. The reversal of 131002231201 is 102132200131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92869515025 + 38132716176 = 304745^2 + 195276^2 .

It is a cyclic number.

It is not a de Polignac number, because 131002231201 - 2⁵ = 131002231169 is a prime.

It is not a weakly prime, because it can be changed into another prime (131002201201) 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, 65501115600 + 65501115601.

It is an arithmetic number, because the mean of its divisors is an integer number (65501115601).

Almost surely, 2^131002231201 is an apocalyptic number.

It is an amenable number.

131002231201 is a deficient number, since it is larger than the sum of its proper divisors (1).

131002231201 is an equidigital number, since it uses as much as digits as its factorization.

131002231201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131002231201 its reverse (102132200131), we get a palindrome (233134431332).

The spelling of 131002231201 in words is "one hundred thirty-one billion, two million, two hundred thirty-one thousand, two hundred one".