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214142201231 = 730591743033
BaseRepresentation
bin1100011101101111011…
…1101010110110001111
3202110201221022221111012
43013123313222312033
512002030400414411
6242213042315435
721320433451250
oct3073367526617
9673657287435
10214142201231
11828a9765312
1235603958b7b
131726922929a
14a516412b27
155884ce618b
hex31dbdead8f

214142201231 has 4 divisors (see below), whose sum is σ = 244733944272. Its totient is φ = 183550458192.

The previous prime is 214142201177. The next prime is 214142201267. The reversal of 214142201231 is 132102241412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214142201231 is a prime.

It is a super-2 number, since 2×2141422012312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214142201197 and 214142201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214142201731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15295871510 + ... + 15295871523.

It is an arithmetic number, because the mean of its divisors is an integer number (61183486068).

Almost surely, 2214142201231 is an apocalyptic number.

214142201231 is a deficient number, since it is larger than the sum of its proper divisors (30591743041).

214142201231 is an equidigital number, since it uses as much as digits as its factorization.

214142201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30591743040.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 214142201231 its reverse (132102241412), we get a palindrome (346244442643).

The spelling of 214142201231 in words is "two hundred fourteen billion, one hundred forty-two million, two hundred one thousand, two hundred thirty-one".

Divisors: 1 7 30591743033 214142201231