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213311431110 = 23529896927337
BaseRepresentation
bin1100011010101001011…
…0100010000111000110
3202101121001002110010110
43012222112202013012
511443330211243420
6241554404133450
721261025151031
oct3065226420706
9671531073113
10213311431110
1182512818438
1235411697286
1317166091a2b
14a477d58018
155836de1ee0
hex31aa5a21c6

213311431110 has 64 divisors (see below), whose sum is σ = 529679217600. Its totient is φ = 54913431552.

The previous prime is 213311431093. The next prime is 213311431121. The reversal of 213311431110 is 11134113312.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7789362 + ... + 7816698.

It is an arithmetic number, because the mean of its divisors is an integer number (8276237775).

Almost surely, 2213311431110 is an apocalyptic number.

213311431110 is an abundant number, since it is smaller than the sum of its proper divisors (316367786490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213311431110 is a wasteful number, since it uses less digits than its factorization.

213311431110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36345.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 213311431110 its reverse (11134113312), we get a palindrome (224445544422).

The spelling of 213311431110 in words is "two hundred thirteen billion, three hundred eleven million, four hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 8969 17938 26907 27337 44845 53814 54674 82011 89690 134535 136685 164022 260101 269070 273370 410055 520202 780303 792773 820110 1300505 1560606 1585546 2378319 2601010 3901515 3963865 4756638 7803030 7927730 11891595 23783190 245185553 490371106 735556659 1225927765 1471113318 2451855530 3677783295 7110381037 7355566590 14220762074 21331143111 35551905185 42662286222 71103810370 106655715555 213311431110