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131213332521022 = 21723609132754617
BaseRepresentation
bin11101110101011001111100…
…000100110010000000111110
3122012120212112202012122022011
4131311121330010302000332
5114144244401111133042
61143022323420441434
736431564462030263
oct3565317404620076
9565525482178264
10131213332521022
1138899297535734
12128720336a927a
13582a4970b7c8b
142458a8b28d26a
15102825e9baa17
hex77567c13203e

131213332521022 has 32 divisors (see below), whose sum is σ = 217462061904192. Its totient is φ = 59061787766784.

The previous prime is 131213332521001. The next prime is 131213332521059. The reversal of 131213332521022 is 220125233312131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46256658 + ... + 49011274.

It is an arithmetic number, because the mean of its divisors is an integer number (6795689434506).

Almost surely, 2131213332521022 is an apocalyptic number.

131213332521022 is a deficient number, since it is larger than the sum of its proper divisors (86248729383170).

131213332521022 is a wasteful number, since it uses less digits than its factorization.

131213332521022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815572.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 131213332521022 its reverse (220125233312131), we get a palindrome (351338565833153).

The spelling of 131213332521022 in words is "one hundred thirty-one trillion, two hundred thirteen billion, three hundred thirty-two million, five hundred twenty-one thousand, twenty-two".

Divisors: 1 2 17 23 34 46 391 782 60913 121826 1035521 1400999 2071042 2754617 2801998 5509234 23816983 46828489 47633966 63356191 93656978 126712382 1077055247 2154110494 167791985321 335583970642 2852463750457 3859215662383 5704927500914 7718431324766 65606666260511 131213332521022