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1003111313 = 31714992111
BaseRepresentation
bin111011110010100…
…100001110010001
32120220112100000212
4323302210032101
54023244030223
6243312053505
733600206531
oct7362441621
92526470025
101003111313
11475259416
1223bb34295
1312ca893b9
149731b4c1
155d0e8278
hex3bca4391

1003111313 has 8 divisors (see below), whose sum is σ = 1007424000. Its totient is φ = 998806480.

The previous prime is 1003111309. The next prime is 1003111321. The reversal of 1003111313 is 3131113001.

It is a happy number.

1003111313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1003111313 - 22 = 1003111309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1003111393) 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, 474128 + ... + 476238.

It is an arithmetic number, because the mean of its divisors is an integer number (125928000).

Almost surely, 21003111313 is an apocalyptic number.

It is an amenable number.

1003111313 is a deficient number, since it is larger than the sum of its proper divisors (4312687).

1003111313 is a wasteful number, since it uses less digits than its factorization.

1003111313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1003111313 is about 31671.9325744420. The cubic root of 1003111313 is about 1001.0360306032.

Adding to 1003111313 its reverse (3131113001), we get a palindrome (4134224314).

The spelling of 1003111313 in words is "one billion, three million, one hundred eleven thousand, three hundred thirteen".

Divisors: 1 317 1499 2111 475183 669187 3164389 1003111313