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1131001110 = 23354188893
BaseRepresentation
bin100001101101001…
…1011010100010110
32220211011210212000
41003122123110112
54304014013420
6304121140130
740012231221
oct10332332426
92824153760
101131001110
11530469968
1227692a646
13150416535
14aa2cc5b8
156945b690
hex4369b516

1131001110 has 32 divisors (see below), whose sum is σ = 3016003680. Its totient is φ = 301600224.

The previous prime is 1131001097. The next prime is 1131001127. The reversal of 1131001110 is 111001311.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1131001092 and 1131001101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094177 + ... + 2094716.

It is an arithmetic number, because the mean of its divisors is an integer number (94250115).

Almost surely, 21131001110 is an apocalyptic number.

1131001110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131001110 is an abundant number, since it is smaller than the sum of its proper divisors (1885002570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131001110 is a wasteful number, since it uses less digits than its factorization.

1131001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188909 (or 4188903 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

The square root of 1131001110 is about 33630.3599445501. The cubic root of 1131001110 is about 1041.8879384304.

Adding to 1131001110 its reverse (111001311), we get a palindrome (1242002421).

The spelling of 1131001110 in words is "one billion, one hundred thirty-one million, one thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 4188893 8377786 12566679 20944465 25133358 37700037 41888930 62833395 75400074 113100111 125666790 188500185 226200222 377000370 565500555 1131001110