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23100003312131 = 1747787239915313
BaseRepresentation
bin1010100000010011000110…
…11111011110001000000011
310000210100010221121101202002
411100021203133132020003
511011432301321442011
6121043554531414215
74602630421300604
oct520114337361003
9100710127541662
1023100003312131
1173a6724721309
122710b2845436b
13cb7423212ac5
1459c0907d7dab
152a0d3dc6ac3b
hex1502637de203

23100003312131 has 32 divisors (see below), whose sum is σ = 25023026995200. Its totient is φ = 21241317943296.

The previous prime is 23100003312103. The next prime is 23100003312173. The reversal of 23100003312131 is 13121330000132.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23100003312131 is a prime.

It is a super-2 number, since 2×231000033121312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23100003312431) 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, 1508514731 + ... + 1508530043.

It is an arithmetic number, because the mean of its divisors is an integer number (781969593600).

Almost surely, 223100003312131 is an apocalyptic number.

23100003312131 is a deficient number, since it is larger than the sum of its proper divisors (1923023683069).

23100003312131 is a wasteful number, since it uses less digits than its factorization.

23100003312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18563.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23100003312131 its reverse (13121330000132), we get a palindrome (36221333312263).

The spelling of 23100003312131 in words is "twenty-three trillion, one hundred billion, three million, three hundred twelve thousand, one hundred thirty-one".

Divisors: 1 17 47 787 799 2399 13379 15313 36989 40783 112753 260321 628813 719711 1888013 1916801 12051331 12235087 32096221 36735887 88736611 204872627 566412557 624510079 1508522387 1726586689 9629013469 28911143069 29351973713 491489432173 1358823724243 23100003312131