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211230000023131 = 7111812519111281
BaseRepresentation
bin110000000001110011010001…
…000111100000011001011011
31000200220101112212220111111001
4300001303101013200121123
5210141243020001220011
62025125420011445431
762330602212451345
oct6001632107403133
91020811485814431
10211230000023131
116133915a292901
121b835957756877
1390b2b990a487b
143a2382d6d0295
15196489c7ed7c1
hexc01cd11e065b

211230000023131 has 8 divisors (see below), whose sum is σ = 214386446543328. Its totient is φ = 208078591728000.

The previous prime is 211230000023123. The next prime is 211230000023171. The reversal of 211230000023131 is 131320000032112.

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 211230000023131 - 23 = 211230000023123 is a prime.

It is a super-2 number, since 2×2112300000231312 (a number of 29 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 = 211230000023099 and 211230000023108.

It is not an unprimeable number, because it can be changed into a prime (211230000023171) 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, 1259471790 + ... + 1259639491.

It is an arithmetic number, because the mean of its divisors is an integer number (26798305817916).

Almost surely, 2211230000023131 is an apocalyptic number.

211230000023131 is a deficient number, since it is larger than the sum of its proper divisors (3156446520197).

211230000023131 is a wasteful number, since it uses less digits than its factorization.

211230000023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519112533.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211230000023131 its reverse (131320000032112), we get a palindrome (342550000055243).

The spelling of 211230000023131 in words is "two hundred eleven trillion, two hundred thirty billion, twenty-three thousand, one hundred thirty-one".

Divisors: 1 71 1181 83851 2519111281 178856900951 2975070422861 211230000023131