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231414709 is a prime number
BaseRepresentation
bin11011100101100…
…01101110110101
3121010110002022011
431302301232311
5433220232314
634544004221
75506664311
oct1562615665
9533402264
10231414709
1110969a329
1265600671
1338c361a6
1422a3cb41
15154b24c4
hexdcb1bb5

231414709 has 2 divisors, whose sum is σ = 231414710. Its totient is φ = 231414708.

The previous prime is 231414653. The next prime is 231414749. The reversal of 231414709 is 907414132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211789809 + 19624900 = 14553^2 + 4430^2 .

It is a cyclic number.

It is not a de Polignac number, because 231414709 - 213 = 231406517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231414749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115707354 + 115707355.

It is an arithmetic number, because the mean of its divisors is an integer number (115707355).

Almost surely, 2231414709 is an apocalyptic number.

It is an amenable number.

231414709 is a deficient number, since it is larger than the sum of its proper divisors (1).

231414709 is an equidigital number, since it uses as much as digits as its factorization.

231414709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 231414709 is about 15212.3209603269. The cubic root of 231414709 is about 613.9462060338.

The spelling of 231414709 in words is "two hundred thirty-one million, four hundred fourteen thousand, seven hundred nine".