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131222042322441 = 3711122756179423
BaseRepresentation
bin11101110101100010000011…
…001110000010011000001001
3122012121201000202020101200220
4131311202003032002120021
5114144420220313304231
61143030323554020253
736432323352103320
oct3565420316023011
9565551022211626
10131222042322441
11388a1a56a37424
1212873864577689
13582b2546bc825
142459275d230b7
1510285be472896
hex775883382609

131222042322441 has 16 divisors (see below), whose sum is σ = 199959199125504. Its totient is φ = 74983348696464.

The previous prime is 131222042322431. The next prime is 131222042322499. The reversal of 131222042322441 is 144223240222131.

It is not a de Polignac number, because 131222042322441 - 26 = 131222042322377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131222042322401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25753945 + ... + 30425478.

It is an arithmetic number, because the mean of its divisors is an integer number (12497449945344).

Almost surely, 2131222042322441 is an apocalyptic number.

It is an amenable number.

131222042322441 is a deficient number, since it is larger than the sum of its proper divisors (68737156803063).

131222042322441 is a wasteful number, since it uses less digits than its factorization.

131222042322441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56290660.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 131222042322441 its reverse (144223240222131), we get a palindrome (275445282544572).

The spelling of 131222042322441 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, forty-two million, three hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 3 7 21 111227 333681 778589 2335767 56179423 168538269 393255961 1179767883 6248668682021 18746006046063 43740680774147 131222042322441