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232131312223 is a prime number
BaseRepresentation
bin1101100000110000011…
…0101011101001011111
3211012011122000110121021
43120030012223221133
512300401103442343
6254350055345011
722525300412056
oct3301406535137
9735148013537
10232131312223
118a4a008a698
1238ba4382167
1318b75116465
14b34160739d
15608924d0ed
hex360c1aba5f

232131312223 has 2 divisors, whose sum is σ = 232131312224. Its totient is φ = 232131312222.

The previous prime is 232131312137. The next prime is 232131312229. The reversal of 232131312223 is 322213131232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232131312223 - 225 = 232097757791 is a prime.

It is a super-2 number, since 2×2321313122232 (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 (232131312229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116065656111 + 116065656112.

It is an arithmetic number, because the mean of its divisors is an integer number (116065656112).

Almost surely, 2232131312223 is an apocalyptic number.

232131312223 is a deficient number, since it is larger than the sum of its proper divisors (1).

232131312223 is an equidigital number, since it uses as much as digits as its factorization.

232131312223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

Adding to 232131312223 its reverse (322213131232), we get a palindrome (554344443455).

The spelling of 232131312223 in words is "two hundred thirty-two billion, one hundred thirty-one million, three hundred twelve thousand, two hundred twenty-three".