1301003312173 has 2 divisors, whose sum is σ = 1301003312174. Its totient is φ = 1301003312172.

The previous prime is 1301003312057. The next prime is 1301003312221. The reversal of 1301003312173 is 3712133001031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1294891512489 + 6111799684 = 1137933^2 + 78178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301003312173 is a prime.

It is a super-3 number, since 3×1301003312173³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301003322173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650501656086 + 650501656087.

It is an arithmetic number, because the mean of its divisors is an integer number (650501656087).

Almost surely, 2^{1301003312173} is an apocalyptic number.

It is an amenable number.

1301003312173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301003312173 is an equidigital number, since it uses as much as digits as its factorization.

1301003312173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The spelling of 1301003312173 in words is "one trillion, three hundred one billion, three million, three hundred twelve thousand, one hundred seventy-three".