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2131133224 = 231128186183
BaseRepresentation
bin111111100000110…
…1000001100101000
312111112002210012011
41333001220030220
513331032230344
6551245325304
7103545222253
oct17701501450
95445083164
102131133224
119a3a72a30
124b5866834
1327c69b89c
1416307209a
15c7166d34
hex7f068328

2131133224 has 32 divisors (see below), whose sum is σ = 4374699840. Its totient is φ = 965238400.

The previous prime is 2131133203. The next prime is 2131133261. The reversal of 2131133224 is 4223311312.

Adding to 2131133224 its reverse (4223311312), we get a palindrome (6354444536).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2131133195 and 2131133204.

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, 18364 + ... + 67819.

It is an arithmetic number, because the mean of its divisors is an integer number (136709370).

Almost surely, 22131133224 is an apocalyptic number.

It is an amenable number.

2131133224 is an abundant number, since it is smaller than the sum of its proper divisors (2243566616).

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

2131133224 is a wasteful number, since it uses less digits than its factorization.

2131133224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86481 (or 86477 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 2131133224 is about 46164.1985092344. The cubic root of 2131133224 is about 1286.8764892973.

The spelling of 2131133224 in words is "two billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 88 281 562 1124 2248 3091 6182 12364 24728 86183 172366 344732 689464 948013 1896026 3792052 7584104 24217423 48434846 96869692 193739384 266391653 532783306 1065566612 2131133224