Search a number
-
+
1313112101 = 7732569691
BaseRepresentation
bin100111001000100…
…1000000000100101
310101111212000011112
41032101020000211
510142124041401
6334144314405
744353161110
oct11621100045
93344760145
101313112101
11614243614
12307912a05
1317c079212
14c6575577
157a4303bb
hex4e448025

1313112101 has 8 divisors (see below), whose sum is σ = 1521257664. Its totient is φ = 1110106080.

The previous prime is 1313112091. The next prime is 1313112109. The reversal of 1313112101 is 1012113131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313112101 - 26 = 1313112037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313112109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284335 + ... + 1285356.

It is an arithmetic number, because the mean of its divisors is an integer number (190157208).

Almost surely, 21313112101 is an apocalyptic number.

It is an amenable number.

1313112101 is a deficient number, since it is larger than the sum of its proper divisors (208145563).

1313112101 is an equidigital number, since it uses as much as digits as its factorization.

1313112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569771.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1313112101 is about 36236.8886771478. Note that the first 3 decimals coincide. The cubic root of 1313112101 is about 1095.0499622053.

Adding to 1313112101 its reverse (1012113131), we get a palindrome (2325225232).

The spelling of 1313112101 in words is "one billion, three hundred thirteen million, one hundred twelve thousand, one hundred one".

Divisors: 1 7 73 511 2569691 17987837 187587443 1313112101