1042203161393 has 2 divisors, whose sum is σ = 1042203161394. Its totient is φ = 1042203161392.

The previous prime is 1042203161387. The next prime is 1042203161453. The reversal of 1042203161393 is 3931613022401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898423413904 + 143779747489 = 947852^2 + 379183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042203161393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042203161093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521101580696 + 521101580697.

It is an arithmetic number, because the mean of its divisors is an integer number (521101580697).

Almost surely, 2^{1042203161393} is an apocalyptic number.

It is an amenable number.

1042203161393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042203161393 is an equidigital number, since it uses as much as digits as its factorization.

1042203161393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

Adding to 1042203161393 its reverse (3931613022401), we get a palindrome (4973816183794).

The spelling of 1042203161393 in words is "one trillion, forty-two billion, two hundred three million, one hundred sixty-one thousand, three hundred ninety-three".