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131312012212301 is a prime number
BaseRepresentation
bin11101110110110101110101…
…110101111011100001001101
3122012221022020220110100110212
4131312311311311323201031
5114202404000111243201
61143135523341012205
736441660034412234
oct3566656565734115
9565838226410425
10131312012212301
11389271256622a8
1212889193254065
1358368921cb94b
14245d76cc23b1b
15102aad7d52abb
hex776d75d7b84d

131312012212301 has 2 divisors, whose sum is σ = 131312012212302. Its totient is φ = 131312012212300.

The previous prime is 131312012212189. The next prime is 131312012212309. The reversal of 131312012212301 is 103212210213131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89821679404900 + 41490332807401 = 9477430^2 + 6441299^2 .

It is a cyclic number.

It is not a de Polignac number, because 131312012212301 - 234 = 131294832343117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131312012212309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65656006106150 + 65656006106151.

It is an arithmetic number, because the mean of its divisors is an integer number (65656006106151).

Almost surely, 2131312012212301 is an apocalyptic number.

It is an amenable number.

131312012212301 is a deficient number, since it is larger than the sum of its proper divisors (1).

131312012212301 is an equidigital number, since it uses as much as digits as its factorization.

131312012212301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131312012212301 its reverse (103212210213131), we get a palindrome (234524222425432).

The spelling of 131312012212301 in words is "one hundred thirty-one trillion, three hundred twelve billion, twelve million, two hundred twelve thousand, three hundred one".