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212232232221031 = 1175125690864571
BaseRepresentation
bin110000010000011000101010…
…110011111011100101100111
31000211110012111011121022211101
4300100120222303323211213
5210304203102422033111
62031214050322020531
762463162363541111
oct6020305263734547
91024405434538741
10212232232221031
116169520322a050
121b9780411a7747
13915654b966269
143a5a1483963b1
1519809a9ee1bc1
hexc1062acfb967

212232232221031 has 8 divisors (see below), whose sum is σ = 231834361897728. Its totient is φ = 192681484275000.

The previous prime is 212232232221029. The next prime is 212232232221041. The reversal of 212232232221031 is 130122232232212.

212232232221031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212232232221031 - 21 = 212232232221029 is a prime.

It is a super-2 number, since 2×2122322322210312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212232232221001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12845424025 + ... + 12845440546.

It is an arithmetic number, because the mean of its divisors is an integer number (28979295237216).

Almost surely, 2212232232221031 is an apocalyptic number.

212232232221031 is a deficient number, since it is larger than the sum of its proper divisors (19602129676697).

212232232221031 is a wasteful number, since it uses less digits than its factorization.

212232232221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25690865333.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 212232232221031 its reverse (130122232232212), we get a palindrome (342354464453243).

The spelling of 212232232221031 in words is "two hundred twelve trillion, two hundred thirty-two billion, two hundred thirty-two million, two hundred twenty-one thousand, thirty-one".

Divisors: 1 11 751 8261 25690864571 282599510281 19293839292821 212232232221031