1301323117 has 2 divisors, whose sum is σ = 1301323118. Its totient is φ = 1301323116.

The previous prime is 1301323069. The next prime is 1301323139. The reversal of 1301323117 is 7113231031.

It is an a-pointer prime, because the next prime (1301323139) can be obtained adding 1301323117 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1252168996 + 49154121 = 35386^2 + 7011^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301323117 - 2²³ = 1292934509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301323817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650661558 + 650661559.

It is an arithmetic number, because the mean of its divisors is an integer number (650661559).

Almost surely, 2^1301323117 is an apocalyptic number.

It is an amenable number.

1301323117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301323117 is an equidigital number, since it uses as much as digits as its factorization.

1301323117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1301323117 is about 36073.8564198507. The cubic root of 1301323117 is about 1091.7630243041.

Adding to 1301323117 its reverse (7113231031), we get a palindrome (8414554148).

The spelling of 1301323117 in words is "one billion, three hundred one million, three hundred twenty-three thousand, one hundred seventeen".