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1031111230 = 25467922037
BaseRepresentation
bin111101011101011…
…000001000111110
32122212012212200211
4331131120020332
54102431024410
6250152143034
734360205122
oct7535301076
92585185624
101031111230
1148a043146
12249397a7a
13135810bb6
149ad29582
15607c968a
hex3d75823e

1031111230 has 16 divisors (see below), whose sum is σ = 1856481120. Its totient is φ = 412337632.

The previous prime is 1031111219. The next prime is 1031111287. The reversal of 1031111230 is 321111301.

1031111230 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10311112302 = 2126380737264225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1031111230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35772 + ... + 57808.

It is an arithmetic number, because the mean of its divisors is an integer number (116030070).

Almost surely, 21031111230 is an apocalyptic number.

1031111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031111230 is a deficient number, since it is larger than the sum of its proper divisors (825369890).

1031111230 is a wasteful number, since it uses less digits than its factorization.

1031111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26723.

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

The square root of 1031111230 is about 32110.9207280016. The cubic root of 1031111230 is about 1010.2646857184.

Adding to 1031111230 its reverse (321111301), we get a palindrome (1352222531).

The spelling of 1031111230 in words is "one billion, thirty-one million, one hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 4679 9358 22037 23395 44074 46790 110185 220370 103111123 206222246 515555615 1031111230