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31102314011131 = 116718142087541
BaseRepresentation
bin1110001001001100100100…
…11000001101100111111011
311002010100111201222110201211
413010212102120031213323
513034040014341324011
6150052112242023551
76360032223031666
oct704462230154773
9132110451873654
1031102314011131
119a01465472940
1235a3a06047bb7
131447c21756b7c
14797507ccc6dd
1538e0989b7b21
hex1c499260d9fb

31102314011131 has 8 divisors (see below), whose sum is σ = 33930302959728. Its totient is φ = 28274409372000.

The previous prime is 31102314011117. The next prime is 31102314011141. The reversal of 31102314011131 is 13111041320113.

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

It is not a de Polignac number, because 31102314011131 - 221 = 31102311913979 is a prime.

It is a super-2 number, since 2×311023140111312 (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 (31102314011141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20304780 + ... + 21782761.

It is an arithmetic number, because the mean of its divisors is an integer number (4241287869966).

Almost surely, 231102314011131 is an apocalyptic number.

31102314011131 is a deficient number, since it is larger than the sum of its proper divisors (2827988948597).

31102314011131 is a wasteful number, since it uses less digits than its factorization.

31102314011131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42154733.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 31102314011131 its reverse (13111041320113), we get a palindrome (44213355331244).

The spelling of 31102314011131 in words is "thirty-one trillion, one hundred two billion, three hundred fourteen million, eleven thousand, one hundred thirty-one".

Divisors: 1 11 67181 738991 42087541 462962951 2827483091921 31102314011131