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230131233111 = 3137617754009
BaseRepresentation
bin1101011001010011100…
…0111111000101010111
3211000000020111220212010
43112110320333011113
512232302043424421
6253415410555303
722424603130453
oct3262470770527
9730006456763
10230131233111
118966409964a
1238726598b33
13189169420b0
14b1d1b2b663
155ebd872076
hex3594e3f157

230131233111 has 16 divisors (see below), whose sum is σ = 330879114720. Its totient is φ = 141433105920.

The previous prime is 230131233107. The next prime is 230131233121. The reversal of 230131233111 is 111332131032.

It is a happy number.

It is not a de Polignac number, because 230131233111 - 22 = 230131233107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230131233121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3847326 + ... + 3906683.

It is an arithmetic number, because the mean of its divisors is an integer number (20679944670).

Almost surely, 2230131233111 is an apocalyptic number.

230131233111 is a deficient number, since it is larger than the sum of its proper divisors (100747881609).

230131233111 is a wasteful number, since it uses less digits than its factorization.

230131233111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7754786.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 230131233111 its reverse (111332131032), we get a palindrome (341463364143).

The spelling of 230131233111 in words is "two hundred thirty billion, one hundred thirty-one million, two hundred thirty-three thousand, one hundred eleven".

Divisors: 1 3 13 39 761 2283 9893 29679 7754009 23262027 100802117 302406351 5900800849 17702402547 76710411037 230131233111