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1113002331 = 37312131421
BaseRepresentation
bin100001001010111…
…0001000101011011
32212120022101011120
41002111301011123
54234412033311
6302235300323
736403235520
oct10225610533
92776271146
101113002331
11521296141
122708aa6a3
13149783c7c
14a7b65147
1567aa3706
hex4257115b

1113002331 has 48 divisors (see below), whose sum is σ = 1770050304. Its totient is φ = 609336000.

The previous prime is 1113002327. The next prime is 1113002333. The reversal of 1113002331 is 1332003111.

It is not a de Polignac number, because 1113002331 - 22 = 1113002327 is a prime.

It is a super-2 number, since 2×11130023312 = 2477548377622867122, which contains 22 as substring.

1113002331 is a modest number, since divided by 2331 gives 1113 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1113002331.

It is not an unprimeable number, because it can be changed into a prime (1113002333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2643501 + ... + 2643921.

It is an arithmetic number, because the mean of its divisors is an integer number (36876048).

Almost surely, 21113002331 is an apocalyptic number.

1113002331 is a deficient number, since it is larger than the sum of its proper divisors (657047973).

1113002331 is a wasteful number, since it uses less digits than its factorization.

1113002331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1113002331 is about 33361.6895705239. The cubic root of 1113002331 is about 1036.3314815473.

Adding to 1113002331 its reverse (1332003111), we get a palindrome (2445005442).

The spelling of 1113002331 in words is "one billion, one hundred thirteen million, two thousand, three hundred thirty-one".

Divisors: 1 3 7 21 31 93 131 217 393 421 651 917 961 1263 2751 2883 2947 4061 6727 8841 12183 13051 20181 28427 39153 55151 85281 91357 125891 165453 274071 377673 386057 404581 881237 1158171 1213743 1709681 2643711 2832067 5129043 8496201 11967767 35903301 53000111 159000333 371000777 1113002331