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212230123031 = 3135571924693
BaseRepresentation
bin1100010110100111100…
…1101010111000010111
3202021210200102022022002
43011221321222320113
511434121402414111
6241255220025515
721222155165243
oct3055171527027
9667720368262
10212230123031
118200840a6a3
123516b53229b
1317023056c74
14a3b44c3423
1557c1eee63b
hex3169e6ae17

212230123031 has 8 divisors (see below), whose sum is σ = 219137960064. Its totient is φ = 205326142560.

The previous prime is 212230122991. The next prime is 212230123033. The reversal of 212230123031 is 130321032212.

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 212230123031 - 26 = 212230122967 is a prime.

It is a super-2 number, since 2×2122301230312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212230122994 and 212230123012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212230123033) 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, 852080 + ... + 1072613.

It is an arithmetic number, because the mean of its divisors is an integer number (27392245008).

Almost surely, 2212230123031 is an apocalyptic number.

212230123031 is a deficient number, since it is larger than the sum of its proper divisors (6907837033).

212230123031 is a wasteful number, since it uses less digits than its factorization.

212230123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928281.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212230123031 its reverse (130321032212), we get a palindrome (342551155243).

The spelling of 212230123031 in words is "two hundred twelve billion, two hundred thirty million, one hundred twenty-three thousand, thirty-one".

Divisors: 1 31 3557 110267 1924693 59665483 6846133001 212230123031