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211223002230231 = 3839710138632979
BaseRepresentation
bin110000000001101100110000…
…000001000010110111010111
31000200212201111012022210021020
4300001230300001002313113
5210141134202032331411
62025122301352452223
762330233621263645
oct6001546001026727
91020781435283236
10211223002230231
1161336199206492
121b8345240aa073
1390b2322392404
143a2336818a195
1519645dd2bd606
hexc01b30042dd7

211223002230231 has 32 divisors (see below), whose sum is σ = 288246500156160. Its totient is φ = 137548616899584.

The previous prime is 211223002230211. The next prime is 211223002230269. The reversal of 211223002230231 is 132032200322112.

It is not a de Polignac number, because 211223002230231 - 217 = 211223002099159 is a prime.

It is a super-2 number, since 2×2112230022302312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211223002230211) 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 in 31 ways as a sum of consecutive naturals, for example, 20150500 + ... + 28783478.

It is an arithmetic number, because the mean of its divisors is an integer number (9007703129880).

Almost surely, 2211223002230231 is an apocalyptic number.

211223002230231 is a deficient number, since it is larger than the sum of its proper divisors (77023497925929).

211223002230231 is a wasteful number, since it uses less digits than its factorization.

211223002230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8634175.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 211223002230231 its reverse (132032200322112), we get a palindrome (343255202552343).

The spelling of 211223002230231 in words is "two hundred eleven trillion, two hundred twenty-three billion, two million, two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 3 83 97 249 291 1013 3039 8051 24153 84079 98261 252237 294783 8155663 8632979 24466989 25898937 716537257 837398963 2149611771 2512196889 8745207727 26235623181 69504113929 208512341787 725852241341 848285149519 2177556724023 2544855448557 70407667410077 211223002230231