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213230112311 = 1713195747693
BaseRepresentation
bin1100011010010110000…
…0010100111000110111
3202101101101002000201002
43012211200110320313
511443143402043221
6241542341153515
721256020023006
oct3064540247067
9671341060632
10213230112311
1182480926417
12353aa3bb89b
131715228c2b8
14a46b22ac3d
15582ebcc80b
hex31a5814e37

213230112311 has 8 divisors (see below), whose sum is σ = 227496520944. Its totient is φ = 199155199360.

The previous prime is 213230112287. The next prime is 213230112313. The reversal of 213230112311 is 113211032312.

It is a happy number.

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 213230112311 - 230 = 212156370487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213230112313) 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, 47871620 + ... + 47876073.

It is an arithmetic number, because the mean of its divisors is an integer number (28437065118).

Almost surely, 2213230112311 is an apocalyptic number.

213230112311 is a deficient number, since it is larger than the sum of its proper divisors (14266408633).

213230112311 is a wasteful number, since it uses less digits than its factorization.

213230112311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95747841.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213230112311 its reverse (113211032312), we get a palindrome (326441144623).

The spelling of 213230112311 in words is "two hundred thirteen billion, two hundred thirty million, one hundred twelve thousand, three hundred eleven".

Divisors: 1 17 131 2227 95747693 1627710781 12542947783 213230112311