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131202210403441 is a prime number
BaseRepresentation
bin11101110101001111100101…
…001001010001010001110001
3122012112210211121222112020101
4131311033211021101101301
5114144104111330402231
61143013244031112401
736431022040423432
oct3565174511212161
9565483747875211
10131202210403441
11388945aa37a121
121286ba4a972701
135829413aa4908
1424583140b1489
151027d0d358661
hex7753e5251471

131202210403441 has 2 divisors, whose sum is σ = 131202210403442. Its totient is φ = 131202210403440.

The previous prime is 131202210403427. The next prime is 131202210403519. The reversal of 131202210403441 is 144304012202131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75610050723216 + 55592159680225 = 8695404^2 + 7456015^2 .

It is an emirp because it is prime and its reverse (144304012202131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131202210403441 is a prime.

It is not a weakly prime, because it can be changed into another prime (131202210403141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601105201720 + 65601105201721.

It is an arithmetic number, because the mean of its divisors is an integer number (65601105201721).

Almost surely, 2131202210403441 is an apocalyptic number.

It is an amenable number.

131202210403441 is a deficient number, since it is larger than the sum of its proper divisors (1).

131202210403441 is an equidigital number, since it uses as much as digits as its factorization.

131202210403441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131202210403441 its reverse (144304012202131), we get a palindrome (275506222605572).

The spelling of 131202210403441 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred ten million, four hundred three thousand, four hundred forty-one".