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BaseRepresentation
bin11101110010011110101001…
…000101011011011011001001
3122011212122110011102112112102
4131302132221011123123021
5114133001013343434231
61142350103535323145
736411215022362621
oct3562365105333311
9564778404375472
10131012224202441
1138820a7709836a
121283b0689804b5
1358145272949ba
14244d04dd05881
151022dde0baacb
hex7727a915b6c9

131012224202441 has 8 divisors (see below), whose sum is σ = 138718950713640. Its totient is φ = 123305511589888.

The previous prime is 131012224202417. The next prime is 131012224202443. The reversal of 131012224202441 is 144202422210131.

It can be written as a sum of positive squares in 4 ways, for example, as 75396486103225 + 55615738099216 = 8683115^2 + 7457596^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131012224202441 - 238 = 130737346295497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131012224202443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20763005 + ... + 26327301.

It is an arithmetic number, because the mean of its divisors is an integer number (17339868839205).

Almost surely, 2131012224202441 is an apocalyptic number.

It is an amenable number.

131012224202441 is a deficient number, since it is larger than the sum of its proper divisors (7706726511199).

131012224202441 is a wasteful number, since it uses less digits than its factorization.

131012224202441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949323.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 131012224202441 its reverse (144202422210131), we get a palindrome (275214646412572).

The spelling of 131012224202441 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, two hundred two thousand, four hundred forty-one".