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231214903 is a prime number
BaseRepresentation
bin11011100100000…
…00111100110111
3121010001221012221
431302000330313
5433142334103
634535423211
75505202633
oct1562007467
9533057187
10231214903
111095731a7
1265524b07
1338b9626a
14229c9dc3
15154731bd
hexdc80f37

231214903 has 2 divisors, whose sum is σ = 231214904. Its totient is φ = 231214902.

The previous prime is 231214891. The next prime is 231214927. The reversal of 231214903 is 309412132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231214903 - 29 = 231214391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231214993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115607451 + 115607452.

It is an arithmetic number, because the mean of its divisors is an integer number (115607452).

Almost surely, 2231214903 is an apocalyptic number.

231214903 is a deficient number, since it is larger than the sum of its proper divisors (1).

231214903 is an equidigital number, since it uses as much as digits as its factorization.

231214903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 231214903 is about 15205.7522997055. The cubic root of 231214903 is about 613.7694591911.

The spelling of 231214903 in words is "two hundred thirty-one million, two hundred fourteen thousand, nine hundred three".