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1313000241 = 37233773471
BaseRepresentation
bin100111001000010…
…1100101100110001
310101111122022201120
41032100230230301
510142112001431
6334142052453
744352214020
oct11620545461
93344568646
101313000241
11614177573
1230787a129
1317c03a327
14c65468b7
157a40c196
hex4e42cb31

1313000241 has 32 divisors (see below), whose sum is σ = 2144206848. Its totient is φ = 698258880.

The previous prime is 1313000239. The next prime is 1313000243. The reversal of 1313000241 is 1420003131.

It is an interprime number because it is at equal distance from previous prime (1313000239) and next prime (1313000243).

It is not a de Polignac number, because 1313000241 - 21 = 1313000239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313000241.

It is not an unprimeable number, because it can be changed into a prime (1313000243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18865 + ... + 54606.

It is an arithmetic number, because the mean of its divisors is an integer number (67006464).

Almost surely, 21313000241 is an apocalyptic number.

It is an amenable number.

1313000241 is a deficient number, since it is larger than the sum of its proper divisors (831206607).

1313000241 is a wasteful number, since it uses less digits than its factorization.

1313000241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73541.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1313000241 is about 36235.3451894694. The cubic root of 1313000241 is about 1095.0188666710.

Adding to 1313000241 its reverse (1420003131), we get a palindrome (2733003372).

The spelling of 1313000241 in words is "one billion, three hundred thirteen million, two hundred forty-one", and thus it is an aban number.

Divisors: 1 3 7 21 23 37 69 111 161 259 483 777 851 2553 5957 17871 73471 220413 514297 1542891 1689833 2718427 5069499 8155281 11828831 19028989 35486493 57086967 62523821 187571463 437666747 1313000241