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211303023031 = 298059904121
BaseRepresentation
bin1100010011001010100…
…1000100000110110111
3202012102001220202012001
43010302221010012313
511430222033214111
6241023221040131
721160200026632
oct3046251040667
9665361822161
10211303023031
1181682058751
1234b50b56047
1316c05c62599
14a327310c19
15576a91d1c1
hex3132a441b7

211303023031 has 8 divisors (see below), whose sum is σ = 218616699600. Its totient is φ = 203991170880.

The previous prime is 211303022993. The next prime is 211303023049. The reversal of 211303023031 is 130320303112.

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 211303023031 - 229 = 210766152119 is a prime.

It is a super-2 number, since 2×2113030230312 (a number of 23 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 (211303003031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218350 + ... + 685771.

It is an arithmetic number, because the mean of its divisors is an integer number (27327087450).

Almost surely, 2211303023031 is an apocalyptic number.

211303023031 is a deficient number, since it is larger than the sum of its proper divisors (7313676569).

211303023031 is an equidigital number, since it uses as much as digits as its factorization.

211303023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912209.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 211303023031 its reverse (130320303112), we get a palindrome (341623326143).

The spelling of 211303023031 in words is "two hundred eleven billion, three hundred three million, twenty-three thousand, thirty-one".

Divisors: 1 29 8059 233711 904121 26219509 7286311139 211303023031