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231122213099 = 1572815238847
BaseRepresentation
bin1101011100111111110…
…1010001100011101011
3211002120022012220211122
43113033331101203223
512241314241304344
6254102011045455
722461265253111
oct3271775214353
9732508186748
10231122213099
118a022511578
123896244088b
1318a4404179b
14b2875abab1
15602a870aee
hex35cff518eb

231122213099 has 8 divisors (see below), whose sum is σ = 233422111488. Its totient is φ = 228832793280.

The previous prime is 231122213087. The next prime is 231122213107. The reversal of 231122213099 is 990312221132.

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 231122213099 - 232 = 226827245803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231122213009) 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, 2575307 + ... + 2663540.

It is an arithmetic number, because the mean of its divisors is an integer number (29177763936).

Almost surely, 2231122213099 is an apocalyptic number.

231122213099 is a deficient number, since it is larger than the sum of its proper divisors (2299898389).

231122213099 is a wasteful number, since it uses less digits than its factorization.

231122213099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239285.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 231122213099 in words is "two hundred thirty-one billion, one hundred twenty-two million, two hundred thirteen thousand, ninety-nine".

Divisors: 1 157 281 44117 5238847 822498979 1472116007 231122213099