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131022013111443 = 3234958497131727
BaseRepresentation
bin11101110010100111110000…
…100011001001110010010011
3122011220120201100222122020200
4131302213300203021302103
5114133131040324031233
61142354403141510243
736412012424625126
oct3562476043116223
9564816640878220
10131022013111443
113882513a734603
1212840b3b112383
13581542731384c
14244d6dbdda3bd
1510232b367d313
hex7729f08c9c93

131022013111443 has 24 divisors (see below), whose sum is σ = 189828770040000. Its totient is φ = 87082824657024.

The previous prime is 131022013111369. The next prime is 131022013111513. The reversal of 131022013111443 is 344111310220131.

131022013111443 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 2 + 201 + 3 + 1 + 11 + 443 = 666.

It is not a de Polignac number, because 131022013111443 - 213 = 131022013103251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131022013116443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14805846 + ... + 21937572.

It is an arithmetic number, because the mean of its divisors is an integer number (7909532085000).

Almost surely, 2131022013111443 is an apocalyptic number.

131022013111443 is a deficient number, since it is larger than the sum of its proper divisors (58806756928557).

131022013111443 is a wasteful number, since it uses less digits than its factorization.

131022013111443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7137931 (or 7137928 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 131022013111443 its reverse (344111310220131), we get a palindrome (475133323331574).

The spelling of 131022013111443 in words is "one hundred thirty-one trillion, twenty-two billion, thirteen million, one hundred eleven thousand, four hundred forty-three".

Divisors: 1 3 9 349 1047 3141 5849 17547 52641 2041301 6123903 7131727 18371709 21395181 64185543 2488972723 7466918169 22400754507 41713471223 125140413669 375421241007 14558001456827 43674004370481 131022013111443