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214581197231 is a prime number
BaseRepresentation
bin1100011111011000001…
…0010011100110101111
3202111212112101020210022
43013312002103212233
512003430241302411
6242324403432355
721334344040052
oct3076602234657
9674775336708
10214581197231
1183004545525
12357069856bb
131730917242b
14a558848a99
1558ad60dedb
hex31f60939af

214581197231 has 2 divisors, whose sum is σ = 214581197232. Its totient is φ = 214581197230.

The previous prime is 214581197119. The next prime is 214581197287. The reversal of 214581197231 is 132791185412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214581197231 - 218 = 214580935087 is a prime.

It is a super-2 number, since 2×2145811972312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214581197291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107290598615 + 107290598616.

It is an arithmetic number, because the mean of its divisors is an integer number (107290598616).

Almost surely, 2214581197231 is an apocalyptic number.

214581197231 is a deficient number, since it is larger than the sum of its proper divisors (1).

214581197231 is an equidigital number, since it uses as much as digits as its factorization.

214581197231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 44.

The spelling of 214581197231 in words is "two hundred fourteen billion, five hundred eighty-one million, one hundred ninety-seven thousand, two hundred thirty-one".