1317695101 has 2 divisors, whose sum is σ = 1317695102. Its totient is φ = 1317695100.

The previous prime is 1317695089. The next prime is 1317695173. The reversal of 1317695101 is 1015967131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1019269476 + 298425625 = 31926^2 + 17275^2 .

It is an emirp because it is prime and its reverse (1015967131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1317695101 - 2⁹ = 1317694589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317696101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658847550 + 658847551.

It is an arithmetic number, because the mean of its divisors is an integer number (658847551).

Almost surely, 2^1317695101 is an apocalyptic number.

It is an amenable number.

1317695101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317695101 is an equidigital number, since it uses as much as digits as its factorization.

1317695101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 1317695101 is about 36300.0702616400. The cubic root of 1317695101 is about 1096.3224574332.

The spelling of 1317695101 in words is "one billion, three hundred seventeen million, six hundred ninety-five thousand, one hundred one".