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2131414321231 = 134091117358879
BaseRepresentation
bin11111000001000010001…
…100011000100001001111
321112202112221002001120201
4133001002030120201033
5234410114031234411
64311054101554331
7306663301542646
oct37010214304117
97482487061521
102131414321231
11751a22900438
122a50ba4159a7
13125cb7460070
1475237b1835d
153a69a0b43c1
hex1f04231884f

2131414321231 has 16 divisors (see below), whose sum is σ = 2303047801600. Its totient is φ = 1960886423808.

The previous prime is 2131414321193. The next prime is 2131414321271. The reversal of 2131414321231 is 1321234141312.

It is not a de Polignac number, because 2131414321231 - 211 = 2131414319183 is a prime.

It is a super-2 number, since 2×21314143212312 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2131414321231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131414321271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5759650 + ... + 6118528.

It is an arithmetic number, because the mean of its divisors is an integer number (143940487600).

Almost surely, 22131414321231 is an apocalyptic number.

2131414321231 is a deficient number, since it is larger than the sum of its proper divisors (171633480369).

2131414321231 is a wasteful number, since it uses less digits than its factorization.

2131414321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360418.

The product of its digits is 3456, while the sum is 28.

Adding to 2131414321231 its reverse (1321234141312), we get a palindrome (3452648462543).

The spelling of 2131414321231 in words is "two trillion, one hundred thirty-one billion, four hundred fourteen million, three hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 13 409 1117 5317 14521 358879 456853 4665427 5939089 146781511 400867843 1908159643 5211281959 163954947787 2131414321231