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214051231 is a prime number
BaseRepresentation
bin11001100001000…
…10100110011111
3112220202221002101
430300202212133
5414244114411
633123505531
75206256032
oct1460424637
9486687071
10214051231
11aa90a949
125b8282a7
1335466b44
14205dd019
1513bd28c1
hexcc2299f

214051231 has 2 divisors, whose sum is σ = 214051232. Its totient is φ = 214051230.

The previous prime is 214051223. The next prime is 214051289. The reversal of 214051231 is 132150412.

214051231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214051231 - 23 = 214051223 is a prime.

It is a super-2 number, since 2×2140512312 = 91635858985230722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214051199 and 214051208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214054231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107025615 + 107025616.

It is an arithmetic number, because the mean of its divisors is an integer number (107025616).

Almost surely, 2214051231 is an apocalyptic number.

214051231 is a deficient number, since it is larger than the sum of its proper divisors (1).

214051231 is an equidigital number, since it uses as much as digits as its factorization.

214051231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 214051231 is about 14630.4897730732. The cubic root of 214051231 is about 598.1901303684.

The spelling of 214051231 in words is "two hundred fourteen million, fifty-one thousand, two hundred thirty-one".