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2131103222 = 22957176427
BaseRepresentation
bin111111100000110…
…0000110111110110
312111112001021000222
41333001200313312
513331030300342
6551244534342
7103545035633
oct17701406766
95445037028
102131103222
119a3a52436
124b58513b2
1327c68b031
1416306518a
15c715ced2
hex7f060df6

2131103222 has 16 divisors (see below), whose sum is σ = 3307977360. Its totient is φ = 1028468448.

The previous prime is 2131103197. The next prime is 2131103243. The reversal of 2131103222 is 2223011312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131103222.

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, 328373 + ... + 334799.

It is an arithmetic number, because the mean of its divisors is an integer number (206748585).

Almost surely, 22131103222 is an apocalyptic number.

2131103222 is a deficient number, since it is larger than the sum of its proper divisors (1176874138).

2131103222 is a wasteful number, since it uses less digits than its factorization.

2131103222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12175.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2131103222 is about 46163.8735593104. The cubic root of 2131103222 is about 1286.8704504054.

Adding to 2131103222 its reverse (2223011312), we get a palindrome (4354114534).

The spelling of 2131103222 in words is "two billion, one hundred thirty-one million, one hundred three thousand, two hundred twenty-two".

Divisors: 1 2 29 58 5717 6427 11434 12854 165793 186383 331586 372766 36743159 73486318 1065551611 2131103222