131652173321 has 2 divisors, whose sum is σ = 131652173322. Its totient is φ = 131652173320.

The previous prime is 131652173311. The next prime is 131652173357. The reversal of 131652173321 is 123371256131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114105462025 + 17546711296 = 337795^2 + 132464^2 .

It is a cyclic number.

It is not a de Polignac number, because 131652173321 - 2²² = 131647979017 is a prime.

It is not a weakly prime, because it can be changed into another prime (131652173311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65826086660 + 65826086661.

It is an arithmetic number, because the mean of its divisors is an integer number (65826086661).

Almost surely, 2^131652173321 is an apocalyptic number.

It is an amenable number.

131652173321 is a deficient number, since it is larger than the sum of its proper divisors (1).

131652173321 is an equidigital number, since it uses as much as digits as its factorization.

131652173321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The spelling of 131652173321 in words is "one hundred thirty-one billion, six hundred fifty-two million, one hundred seventy-three thousand, three hundred twenty-one".