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1310117 is a prime number
BaseRepresentation
bin100111111110110100101
32110120010212
410333312211
5313410432
644025205
714064404
oct4776645
92416125
101310117
11815346
12532205
1336b423
1426163b
151ad2b2
hex13fda5

1310117 has 2 divisors, whose sum is σ = 1310118. Its totient is φ = 1310116.

The previous prime is 1310093. The next prime is 1310119. The reversal of 1310117 is 7110131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 835396 + 474721 = 914^2 + 689^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310117 - 26 = 1310053 is a prime.

Together with 1310119, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655058 + 655059.

It is an arithmetic number, because the mean of its divisors is an integer number (655059).

21310117 is an apocalyptic number.

It is an amenable number.

1310117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310117 is an equidigital number, since it uses as much as digits as its factorization.

1310117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21, while the sum is 14.

The square root of 1310117 is about 1144.6034247721. The cubic root of 1310117 is about 109.4216755343.

Adding to 1310117 its sum of digits (14), we get a palindrome (1310131).

Adding to 1310117 its reverse (7110131), we get a palindrome (8420248).

The spelling of 1310117 in words is "one million, three hundred ten thousand, one hundred seventeen".