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1113231313 = 89103121439
BaseRepresentation
bin100001001011010…
…1000111111010001
32212120202000021101
41002112220333101
54234441400223
6302244224401
736405211225
oct10226507721
92776660241
101113231313
11521432187
1227099b101
1314983426c
14a7bc4785
1567aeb4ad
hex425a8fd1

1113231313 has 8 divisors (see below), whose sum is σ = 1136678400. Its totient is φ = 1090027488.

The previous prime is 1113231277. The next prime is 1113231347. The reversal of 1113231313 is 3131323111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1113231313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113231013) 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, 51553 + ... + 69886.

It is an arithmetic number, because the mean of its divisors is an integer number (142084800).

Almost surely, 21113231313 is an apocalyptic number.

It is an amenable number.

1113231313 is a deficient number, since it is larger than the sum of its proper divisors (23447087).

1113231313 is a wasteful number, since it uses less digits than its factorization.

1113231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121631.

The product of its digits is 162, while the sum is 19.

The square root of 1113231313 is about 33365.1212046352. The cubic root of 1113231313 is about 1036.4025460836.

Adding to 1113231313 its reverse (3131323111), we get a palindrome (4244554424).

The spelling of 1113231313 in words is "one billion, one hundred thirteen million, two hundred thirty-one thousand, three hundred thirteen".

Divisors: 1 89 103 9167 121439 10808071 12508217 1113231313