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131001030212243 is a prime number
BaseRepresentation
bin11101110010010100001101…
…110111101111101010010011
3122011211120120000221220202212
4131302110031313233222103
5114132310102213242433
61142341013101302335
736410340436132652
oct3562241567575223
9564746500856685
10131001030212243
11388172524018a4
1212838a63b649ab
135813462108669
14244c6ab379199
1510229864acd48
hex77250ddefa93

131001030212243 has 2 divisors, whose sum is σ = 131001030212244. Its totient is φ = 131001030212242.

The previous prime is 131001030212209. The next prime is 131001030212293. The reversal of 131001030212243 is 342212030100131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131001030212243 is a prime.

It is a super-2 number, since 2×1310010302122432 (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131001030212293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65500515106121 + 65500515106122.

It is an arithmetic number, because the mean of its divisors is an integer number (65500515106122).

Almost surely, 2131001030212243 is an apocalyptic number.

131001030212243 is a deficient number, since it is larger than the sum of its proper divisors (1).

131001030212243 is an equidigital number, since it uses as much as digits as its factorization.

131001030212243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131001030212243 its reverse (342212030100131), we get a palindrome (473213060312374).

The spelling of 131001030212243 in words is "one hundred thirty-one trillion, one billion, thirty million, two hundred twelve thousand, two hundred forty-three".