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3213031189 is a prime number
BaseRepresentation
bin1011111110000010…
…1111011100010101
322021220212220012011
42333200233130111
523040013444224
61250454224221
7142423212604
oct27740573425
98256786164
103213031189
1113a9743985
12758055071
133c2881cb4
14226a1ba3b
1513c124394
hexbf82f715

3213031189 has 2 divisors, whose sum is σ = 3213031190. Its totient is φ = 3213031188.

The previous prime is 3213031183. The next prime is 3213031277. The reversal of 3213031189 is 9811303123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3201862225 + 11168964 = 56585^2 + 3342^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213031189 - 23 = 3213031181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3213031189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213031181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606515594 + 1606515595.

It is an arithmetic number, because the mean of its divisors is an integer number (1606515595).

Almost surely, 23213031189 is an apocalyptic number.

It is an amenable number.

3213031189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213031189 is an equidigital number, since it uses as much as digits as its factorization.

3213031189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 3213031189 is about 56683.6059985601. The cubic root of 3213031189 is about 1475.6101949521.

The spelling of 3213031189 in words is "three billion, two hundred thirteen million, thirty-one thousand, one hundred eighty-nine".