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131425514334531 = 3231387465251057
BaseRepresentation
bin11101111000011111100011…
…000110001010100101000011
3122020100011020001201120101200
4131320133203012022211003
5114211233423132201111
61143304014153232243
736453115522501464
oct3570374306124503
9566304201646350
10131425514334531
113897027a6496aa
12128a718aa02683
1358444b0129111
142465059198d6b
15102da2c626256
hex7787e318a943

131425514334531 has 12 divisors (see below), whose sum is σ = 189842902710552. Its totient is φ = 87614217861696.

The previous prime is 131425514334523. The next prime is 131425514334533. The reversal of 131425514334531 is 135433415524131.

It is a happy number.

131425514334531 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 2 + 55 + 143 + 3 + 453 + 1 = 666.

131425514334531 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 131425514334531 - 23 = 131425514334523 is a prime.

It is a super-2 number, since 2×1314255143345312 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131425514334533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232343046 + ... + 232908011.

It is an arithmetic number, because the mean of its divisors is an integer number (15820241892546).

Almost surely, 2131425514334531 is an apocalyptic number.

131425514334531 is a deficient number, since it is larger than the sum of its proper divisors (58417388376021).

131425514334531 is a wasteful number, since it uses less digits than its factorization.

131425514334531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465282450 (or 465282447 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

Adding to 131425514334531 its reverse (135433415524131), we get a palindrome (266858929858662).

The spelling of 131425514334531 in words is "one hundred thirty-one trillion, four hundred twenty-five billion, five hundred fourteen million, three hundred thirty-four thousand, five hundred thirty-one".

Divisors: 1 3 9 31387 94161 282483 465251057 1395753171 4187259513 14602834926059 43808504778177 131425514334531