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232111001 is a prime number
BaseRepresentation
bin11011101010110…
…11101110011001
3121011202110102202
431311123232121
5433410023001
635010535545
75515624313
oct1565335631
9534673382
10232111001
1110a025481
12658975b5
133911b0b5
1422b807b3
151559d96b
hexdd5bb99

232111001 has 2 divisors, whose sum is σ = 232111002. Its totient is φ = 232111000.

The previous prime is 232110997. The next prime is 232111057. The reversal of 232111001 is 100111232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232105225 + 5776 = 15235^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 232111001 - 22 = 232110997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232111501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116055500 + 116055501.

It is an arithmetic number, because the mean of its divisors is an integer number (116055501).

Almost surely, 2232111001 is an apocalyptic number.

It is an amenable number.

232111001 is a deficient number, since it is larger than the sum of its proper divisors (1).

232111001 is an equidigital number, since it uses as much as digits as its factorization.

232111001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 232111001 is about 15235.1895623258. The cubic root of 232111001 is about 614.5613467077.

Adding to 232111001 its reverse (100111232), we get a palindrome (332222233).

The spelling of 232111001 in words is "two hundred thirty-two million, one hundred eleven thousand, one".