1363131073 has 2 divisors, whose sum is σ = 1363131074. Its totient is φ = 1363131072.

The previous prime is 1363131067. The next prime is 1363131131. The reversal of 1363131073 is 3701313631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 873084304 + 490046769 = 29548^2 + 22137^2 .

It is an emirp because it is prime and its reverse (3701313631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1363131073 - 2¹³ = 1363122881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1363131053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681565536 + 681565537.

It is an arithmetic number, because the mean of its divisors is an integer number (681565537).

Almost surely, 2^1363131073 is an apocalyptic number.

It is an amenable number.

1363131073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363131073 is an equidigital number, since it uses as much as digits as its factorization.

1363131073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 1363131073 is about 36920.6049923346. The cubic root of 1363131073 is about 1108.7812484314.

The spelling of 1363131073 in words is "one billion, three hundred sixty-three million, one hundred thirty-one thousand, seventy-three".