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212021230319 is a prime number
BaseRepresentation
bin1100010101110101110…
…0110011101011101111
3202021021010100110100222
43011131130303223233
511433204413332234
6241222354441555
721214040502503
oct3053534635357
9667233313328
10212021230319
1181a10503498
12351115932bb
1316cbb9a8102
14a394868303
1557ad9da42e
hex315d733aef

212021230319 has 2 divisors, whose sum is σ = 212021230320. Its totient is φ = 212021230318.

The previous prime is 212021230307. The next prime is 212021230331. The reversal of 212021230319 is 913032120212.

It is a balanced prime because it is at equal distance from previous prime (212021230307) and next prime (212021230331).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212021230319 is a prime.

It is a super-2 number, since 2×2120212303192 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212021230339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010615159 + 106010615160.

It is an arithmetic number, because the mean of its divisors is an integer number (106010615160).

Almost surely, 2212021230319 is an apocalyptic number.

212021230319 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021230319 is an equidigital number, since it uses as much as digits as its factorization.

212021230319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

It can be divided in two parts, 21202 and 1230319, that added together give a palindrome (1251521).

The spelling of 212021230319 in words is "two hundred twelve billion, twenty-one million, two hundred thirty thousand, three hundred nineteen".