131221240330183 has 2 divisors, whose sum is σ = 131221240330184. Its totient is φ = 131221240330182.

The previous prime is 131221240330139. The next prime is 131221240330223. The reversal of 131221240330183 is 381033042122131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131221240330183 - 2³⁷ = 131083801376711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131221240330783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65610620165091 + 65610620165092.

It is an arithmetic number, because the mean of its divisors is an integer number (65610620165092).

Almost surely, 2^{131221240330183} is an apocalyptic number.

131221240330183 is a deficient number, since it is larger than the sum of its proper divisors (1).

131221240330183 is an equidigital number, since it uses as much as digits as its factorization.

131221240330183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 131221240330183 in words is "one hundred thirty-one trillion, two hundred twenty-one billion, two hundred forty million, three hundred thirty thousand, one hundred eighty-three".