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231212141212153 is a prime number
BaseRepresentation
bin110100100100100101000101…
…100010110111000111111001
31010022122122221122212102001011
4310210211011202313013321
5220301134431122242103
62135425220305353521
766462345254223043
oct6444450542670771
91108578848772034
10231212141212153
1167742578031922
1221b225663388a1
139c0229949061a
144114a27b94a93
151bae5598b9d6d
hexd249458b71f9

231212141212153 has 2 divisors, whose sum is σ = 231212141212154. Its totient is φ = 231212141212152.

The previous prime is 231212141212069. The next prime is 231212141212177. The reversal of 231212141212153 is 351212141212132.

231212141212153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132712312326889 + 98499828885264 = 11520083^2 + 9924708^2 .

It is a cyclic number.

It is not a de Polignac number, because 231212141212153 - 29 = 231212141211641 is a prime.

It is not a weakly prime, because it can be changed into another prime (231212141212183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115606070606076 + 115606070606077.

It is an arithmetic number, because the mean of its divisors is an integer number (115606070606077).

Almost surely, 2231212141212153 is an apocalyptic number.

It is an amenable number.

231212141212153 is a deficient number, since it is larger than the sum of its proper divisors (1).

231212141212153 is an equidigital number, since it uses as much as digits as its factorization.

231212141212153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

Adding to 231212141212153 its reverse (351212141212132), we get a palindrome (582424282424285).

The spelling of 231212141212153 in words is "two hundred thirty-one trillion, two hundred twelve billion, one hundred forty-one million, two hundred twelve thousand, one hundred fifty-three".