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2002312323131 = 31832395096397
BaseRepresentation
bin11101001000110011000…
…111010110000000111011
321002102022120220000222112
4131020303013112000323
5230301213423320011
64131503302042535
7264443110632641
oct35106307260073
97072276800875
102002312323131
117021a311943a
1228408a41944b
13116a81632603
146ccaba09191
1537140ed558b
hex1d2331d603b

2002312323131 has 32 divisors (see below), whose sum is σ = 2105013657600. Its totient is φ = 1902322880640.

The previous prime is 2002312323107. The next prime is 2002312323149. The reversal of 2002312323131 is 1313232132002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2002312323131 is a prime.

It is a super-3 number, since 3×20023123231313 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002312323097 and 2002312323106.

It is not an unprimeable number, because it can be changed into a prime (2002312323931) 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, 313004825 + ... + 313011221.

It is an arithmetic number, because the mean of its divisors is an integer number (65781676800).

Almost surely, 22002312323131 is an apocalyptic number.

2002312323131 is a deficient number, since it is larger than the sum of its proper divisors (102701334469).

2002312323131 is a wasteful number, since it uses less digits than its factorization.

2002312323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7259.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2002312323131 its reverse (1313232132002), we get a palindrome (3315544455133).

The spelling of 2002312323131 in words is "two trillion, two billion, three hundred twelve million, three hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 31 83 239 509 2573 6397 7409 15779 19837 42247 121651 198307 530951 614947 1309657 1528883 3256073 3771181 10097033 16459481 47395373 100938263 126897289 270254059 313008023 778201447 3933815959 8377875829 24124244857 64590720101 2002312323131