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231230100303 = 3310978569521
BaseRepresentation
bin1101011101011001100…
…0110101001101001111
3211002211211020011021000
43113112120311031033
512242024401202203
6254120423311343
722464045265056
oct3272630651517
9732754204230
10231230100303
118a0783aa854
12389925ab553
1318a604b7277
14b297a5339d
1560350824a3
hex35d663534f

231230100303 has 16 divisors (see below), whose sum is σ = 345705896800. Its totient is φ = 152739146880.

The previous prime is 231230100247. The next prime is 231230100313. The reversal of 231230100303 is 303001032132.

231230100303 is a `hidden beast` number, since 2 + 31 + 230 + 100 + 303 = 666.

It is not a de Polignac number, because 231230100303 - 29 = 231230099791 is a prime.

It is a super-2 number, since 2×2312301003032 (a number of 24 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 (231230100313) 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, 39281818 + ... + 39287703.

It is an arithmetic number, because the mean of its divisors is an integer number (21606618550).

Almost surely, 2231230100303 is an apocalyptic number.

231230100303 is a deficient number, since it is larger than the sum of its proper divisors (114475796497).

231230100303 is a wasteful number, since it uses less digits than its factorization.

231230100303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78569639 (or 78569633 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 231230100303 its reverse (303001032132), we get a palindrome (534231132435).

The spelling of 231230100303 in words is "two hundred thirty-one billion, two hundred thirty million, one hundred thousand, three hundred three".

Divisors: 1 3 9 27 109 327 981 2943 78569521 235708563 707125689 2121377067 8564077789 25692233367 77076700101 231230100303