1331200041373 has 2 divisors, whose sum is σ = 1331200041374. Its totient is φ = 1331200041372.

The previous prime is 1331200041359. The next prime is 1331200041449. The reversal of 1331200041373 is 3731400021331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990496686169 + 340703355204 = 995237^2 + 583698^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331200041373 - 2¹⁷ = 1331199910301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331200041313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665600020686 + 665600020687.

It is an arithmetic number, because the mean of its divisors is an integer number (665600020687).

Almost surely, 2^{1331200041373} is an apocalyptic number.

It is an amenable number.

1331200041373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331200041373 is an equidigital number, since it uses as much as digits as its factorization.

1331200041373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The spelling of 1331200041373 in words is "one trillion, three hundred thirty-one billion, two hundred million, forty-one thousand, three hundred seventy-three".