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232201132981 is a prime number
BaseRepresentation
bin1101100001000001000…
…1000001101110110101
3211012100111101201200021
43120100101001232311
512301021442223411
6254401032045141
722530106031116
oct3302021015665
9735314351607
10232201132981
118a526538aa4
12390038337b1
1318b8672150c
14b34a9c020d
156090440a71
hex3610441bb5

232201132981 has 2 divisors, whose sum is σ = 232201132982. Its totient is φ = 232201132980.

The previous prime is 232201132973. The next prime is 232201133041. The reversal of 232201132981 is 189231102232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219576588100 + 12624544881 = 468590^2 + 112359^2 .

It is a cyclic number.

It is not a de Polignac number, because 232201132981 - 23 = 232201132973 is a prime.

It is a super-2 number, since 2×2322011329812 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232201132931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116100566490 + 116100566491.

It is an arithmetic number, because the mean of its divisors is an integer number (116100566491).

Almost surely, 2232201132981 is an apocalyptic number.

It is an amenable number.

232201132981 is a deficient number, since it is larger than the sum of its proper divisors (1).

232201132981 is an equidigital number, since it uses as much as digits as its factorization.

232201132981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 232201132981 in words is "two hundred thirty-two billion, two hundred one million, one hundred thirty-two thousand, nine hundred eighty-one".