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214120331 is a prime number
BaseRepresentation
bin11001100001100…
…11011110001011
3112220220102212122
430300303132023
5414303322311
633125201455
75206664345
oct1460633613
9486812778
10214120331
11aa957857
125b86028b
133548c429
142061a295
1513be80db
hexcc3378b

214120331 has 2 divisors, whose sum is σ = 214120332. Its totient is φ = 214120330.

The previous prime is 214120307. The next prime is 214120373. The reversal of 214120331 is 133021412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214120331 - 210 = 214119307 is a prime.

It is a super-2 number, since 2×2141203312 = 91695032295099122, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (214122331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107060165 + 107060166.

It is an arithmetic number, because the mean of its divisors is an integer number (107060166).

Almost surely, 2214120331 is an apocalyptic number.

214120331 is a deficient number, since it is larger than the sum of its proper divisors (1).

214120331 is an equidigital number, since it uses as much as digits as its factorization.

214120331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 214120331 is about 14632.8510892444. The cubic root of 214120331 is about 598.2544926720.

Adding to 214120331 its reverse (133021412), we get a palindrome (347141743).

The spelling of 214120331 in words is "two hundred fourteen million, one hundred twenty thousand, three hundred thirty-one".