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2131311130 = 251319862879
BaseRepresentation
bin111111100001001…
…0011101000011010
312111112102211020021
41333002103220122
513331103424010
6551253221054
7103546563034
oct17702235032
95445384207
102131311130
119a4084663
124b593178a
1327c731860
141630bac54
15c719e8da
hex7f093a1a

2131311130 has 32 divisors (see below), whose sum is σ = 4348915200. Its totient is φ = 745526592.

The previous prime is 2131311109. The next prime is 2131311151. The reversal of 2131311130 is 311131312.

It is an interprime number because it is at equal distance from previous prime (2131311109) and next prime (2131311151).

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, 428970 + ... + 433909.

It is an arithmetic number, because the mean of its divisors is an integer number (135903600).

Almost surely, 22131311130 is an apocalyptic number.

2131311130 is an abundant number, since it is smaller than the sum of its proper divisors (2217604070).

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

2131311130 is a wasteful number, since it uses less digits than its factorization.

2131311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862918.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2131311130 is about 46166.1253518205. The cubic root of 2131311130 is about 1286.9122975824.

Adding to 2131311130 its reverse (311131312), we get a palindrome (2442442442).

The spelling of 2131311130 in words is "two billion, one hundred thirty-one million, three hundred eleven thousand, one hundred thirty".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 190 247 494 1235 2470 862879 1725758 4314395 8628790 11217427 16394701 22434854 32789402 56087135 81973505 112174270 163947010 213131113 426262226 1065655565 2131311130