131020302220273 has 2 divisors, whose sum is σ = 131020302220274. Its totient is φ = 131020302220272.

The previous prime is 131020302220211. The next prime is 131020302220303. The reversal of 131020302220273 is 372022203020131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96554854970289 + 34465447249984 = 9826233^2 + 5870728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131020302220273 is a prime.

It is not a weakly prime, because it can be changed into another prime (131020300220273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510151110136 + 65510151110137.

It is an arithmetic number, because the mean of its divisors is an integer number (65510151110137).

Almost surely, 2^{131020302220273} is an apocalyptic number.

It is an amenable number.

131020302220273 is a deficient number, since it is larger than the sum of its proper divisors (1).

131020302220273 is an equidigital number, since it uses as much as digits as its factorization.

131020302220273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 131020302220273 in words is "one hundred thirty-one trillion, twenty billion, three hundred two million, two hundred twenty thousand, two hundred seventy-three".