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3213154423 is a prime number
BaseRepresentation
bin1011111110000100…
…1101100001110111
322021221010011020101
42333201031201313
523040031420143
61250501014531
7142424235103
oct27741154167
98257104211
103213154423
1113a9818526
127580b4447
133c28c610b
14226a50903
1513c14ab4d
hexbf84d877

3213154423 has 2 divisors, whose sum is σ = 3213154424. Its totient is φ = 3213154422.

The previous prime is 3213154421. The next prime is 3213154453. The reversal of 3213154423 is 3244513123.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3213154423 - 21 = 3213154421 is a prime.

It is a super-2 number, since 2×32131544232 = 20648722692088925858, which contains 22 as substring.

Together with 3213154421, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3213154391 and 3213154400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213154421) 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, 1606577211 + 1606577212.

It is an arithmetic number, because the mean of its divisors is an integer number (1606577212).

Almost surely, 23213154423 is an apocalyptic number.

3213154423 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213154423 is an equidigital number, since it uses as much as digits as its factorization.

3213154423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 3213154423 is about 56684.6930220143. The cubic root of 3213154423 is about 1475.6290601099.

Adding to 3213154423 its reverse (3244513123), we get a palindrome (6457667546).

The spelling of 3213154423 in words is "three billion, two hundred thirteen million, one hundred fifty-four thousand, four hundred twenty-three".