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1131101230 = 25716158589
BaseRepresentation
bin100001101101011…
…0011110000101110
32220211100220012011
41003122303300232
54304030214410
6304123231434
740013126140
oct10332636056
92824326164
101131101230
11530528106
1227697857a
1315044cc8c
14aa316c90
156947b18a
hex436b3c2e

1131101230 has 16 divisors (see below), whose sum is σ = 2326836960. Its totient is φ = 387806112.

The previous prime is 1131101227. The next prime is 1131101263. The reversal of 1131101230 is 321011311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131101230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8079225 + ... + 8079364.

It is an arithmetic number, because the mean of its divisors is an integer number (145427310).

Almost surely, 21131101230 is an apocalyptic number.

1131101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131101230 is an abundant number, since it is smaller than the sum of its proper divisors (1195735730).

1131101230 is a wasteful number, since it uses less digits than its factorization.

1131101230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16158603.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1131101230 is about 33631.8484475653. The cubic root of 1131101230 is about 1041.9186813246.

Adding to 1131101230 its reverse (321011311), we get a palindrome (1452112541).

The spelling of 1131101230 in words is "one billion, one hundred thirty-one million, one hundred one thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 16158589 32317178 80792945 113110123 161585890 226220246 565550615 1131101230