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23113131003 = 332834576619
BaseRepresentation
bin10101100001101001…
…100110001111111011
32012122210102201011000
4111201221212033323
5334313430143003
614341254340043
71445523241404
oct254151461773
965583381130
1023113131003
11989083a466
12459065a623
13224464c6a1
14119393a9ab
1590420a1a3
hex561a663fb

23113131003 has 32 divisors (see below), whose sum is σ = 34443065600. Its totient is φ = 15318393408.

The previous prime is 23113130977. The next prime is 23113131011. The reversal of 23113131003 is 30013131132.

It is a happy number.

It is not a de Polignac number, because 23113131003 - 210 = 23113129979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23113131053) 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, 3488628 + ... + 3495246.

It is an arithmetic number, because the mean of its divisors is an integer number (1076345800).

Almost surely, 223113131003 is an apocalyptic number.

23113131003 is a deficient number, since it is larger than the sum of its proper divisors (11329934597).

23113131003 is a wasteful number, since it uses less digits than its factorization.

23113131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7368 (or 7362 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 23113131003 its reverse (30013131132), we get a palindrome (53126262135).

The spelling of 23113131003 in words is "twenty-three billion, one hundred thirteen million, one hundred thirty-one thousand, three".

Divisors: 1 3 9 27 283 457 849 1371 2547 4113 6619 7641 12339 19857 59571 129331 178713 387993 1163979 1873177 3024883 3491937 5619531 9074649 16858593 27223947 50575779 81671841 856041889 2568125667 7704377001 23113131003