Search a number
-
+
131201204343441 = 3154370394026611
BaseRepresentation
bin11101110101001110101001…
…001011011101001010010001
3122012112201020111220101100220
4131311032221023131022101
5114144100031302442231
61143013000131503253
736430655103153051
oct3565165113351221
9565481214811326
10131201204343441
1138894133497381
121286b809a57b29
1358292b352533b
14245825a627561
151027c9ed7b896
hex7753a92dd291

131201204343441 has 16 divisors (see below), whose sum is σ = 175073224212480. Its totient is φ = 87398343159120.

The previous prime is 131201204343439. The next prime is 131201204343491. The reversal of 131201204343441 is 144343402102131.

It is a happy number.

It is not a de Polignac number, because 131201204343441 - 21 = 131201204343439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131201204343421) 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, 30570226 + ... + 34596836.

It is an arithmetic number, because the mean of its divisors is an integer number (10942076513280).

Almost surely, 2131201204343441 is an apocalyptic number.

It is an amenable number.

131201204343441 is a deficient number, since it is larger than the sum of its proper divisors (43872019869039).

131201204343441 is a wasteful number, since it uses less digits than its factorization.

131201204343441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035196.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 131201204343441 its reverse (144343402102131), we get a palindrome (275544606445572).

The spelling of 131201204343441 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred four million, three hundred forty-three thousand, four hundred forty-one".

Divisors: 1 3 1543 4629 7039 21117 4026611 10861177 12079833 32583531 6213060773 18639182319 28343314829 85029944487 43733734781147 131201204343441