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230233123211131 is a prime number
BaseRepresentation
bin110100010110010101010011…
…100001100100011101111011
31010012012001221012202222011101
4310112111103201210131323
5220134114414020224011
62133355345304112231
766331536264426505
oct6426252341443573
91105161835688141
10230233123211131
11673a5356984357
12219a487b165677
139b60b761762c1
1440bd4b2216d75
151b93d5a1e72c1
hexd1655386477b

230233123211131 has 2 divisors, whose sum is σ = 230233123211132. Its totient is φ = 230233123211130.

The previous prime is 230233123211123. The next prime is 230233123211317. The reversal of 230233123211131 is 131112321332032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230233123211131 - 23 = 230233123211123 is a prime.

It is a super-2 number, since 2×2302331232111312 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230233123211131.

It is not a weakly prime, because it can be changed into another prime (230233123211731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115116561605565 + 115116561605566.

It is an arithmetic number, because the mean of its divisors is an integer number (115116561605566).

Almost surely, 2230233123211131 is an apocalyptic number.

230233123211131 is a deficient number, since it is larger than the sum of its proper divisors (1).

230233123211131 is an equidigital number, since it uses as much as digits as its factorization.

230233123211131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 230233123211131 its reverse (131112321332032), we get a palindrome (361345444543163).

The spelling of 230233123211131 in words is "two hundred thirty trillion, two hundred thirty-three billion, one hundred twenty-three million, two hundred eleven thousand, one hundred thirty-one".