103011323161 has 2 divisors, whose sum is σ = 103011323162. Its totient is φ = 103011323160.

The previous prime is 103011323147. The next prime is 103011323213. The reversal of 103011323161 is 161323110301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63829496025 + 39181827136 = 252645^2 + 197944^2 .

It is a cyclic number.

It is not a de Polignac number, because 103011323161 - 2⁷ = 103011323033 is a prime.

It is a super-2 number, since 2×103011323161² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103011323101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51505661580 + 51505661581.

It is an arithmetic number, because the mean of its divisors is an integer number (51505661581).

Almost surely, 2^103011323161 is an apocalyptic number.

It is an amenable number.

103011323161 is a deficient number, since it is larger than the sum of its proper divisors (1).

103011323161 is an equidigital number, since it uses as much as digits as its factorization.

103011323161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 103011323161 its reverse (161323110301), we get a palindrome (264334433462).

The spelling of 103011323161 in words is "one hundred three billion, eleven million, three hundred twenty-three thousand, one hundred sixty-one".