1003319013161 has 2 divisors, whose sum is σ = 1003319013162. Its totient is φ = 1003319013160.

The previous prime is 1003319013139. The next prime is 1003319013181. The reversal of 1003319013161 is 1613109133001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 812240747536 + 191078265625 = 901244^2 + 437125^2 .

It is an emirp because it is prime and its reverse (1613109133001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1003319013161 - 2⁶ = 1003319013097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1003319013181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501659506580 + 501659506581.

It is an arithmetic number, because the mean of its divisors is an integer number (501659506581).

Almost surely, 2^{1003319013161} is an apocalyptic number.

It is an amenable number.

1003319013161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003319013161 is an equidigital number, since it uses as much as digits as its factorization.

1003319013161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 29.

The spelling of 1003319013161 in words is "one trillion, three billion, three hundred nineteen million, thirteen thousand, one hundred sixty-one".