120131311061 has 2 divisors, whose sum is σ = 120131311062. Its totient is φ = 120131311060.

The previous prime is 120131311033. The next prime is 120131311129. The reversal of 120131311061 is 160113131021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97029135025 + 23102176036 = 311495^2 + 151994^2 .

It is a cyclic number.

It is not a de Polignac number, because 120131311061 - 2⁶ = 120131310997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120131011061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60065655530 + 60065655531.

It is an arithmetic number, because the mean of its divisors is an integer number (60065655531).

Almost surely, 2^120131311061 is an apocalyptic number.

It is an amenable number.

120131311061 is a deficient number, since it is larger than the sum of its proper divisors (1).

120131311061 is an equidigital number, since it uses as much as digits as its factorization.

120131311061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 120131311061 its reverse (160113131021), we get a palindrome (280244442082).

The spelling of 120131311061 in words is "one hundred twenty billion, one hundred thirty-one million, three hundred eleven thousand, sixty-one".