1301310173 has 2 divisors, whose sum is σ = 1301310174. Its totient is φ = 1301310172.

The previous prime is 1301310163. The next prime is 1301310187. The reversal of 1301310173 is 3710131031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 853691524 + 447618649 = 29218^2 + 21157^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301310173 - 2⁸ = 1301309917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301310163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650655086 + 650655087.

It is an arithmetic number, because the mean of its divisors is an integer number (650655087).

Almost surely, 2^1301310173 is an apocalyptic number.

It is an amenable number.

1301310173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301310173 is an equidigital number, since it uses as much as digits as its factorization.

1301310173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 1301310173 is about 36073.6770096978. The cubic root of 1301310173 is about 1091.7594044429.

The spelling of 1301310173 in words is "one billion, three hundred one million, three hundred ten thousand, one hundred seventy-three".