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31232120314 = 21929101280607
BaseRepresentation
bin11101000101100101…
…000101010111111010
32222121121202002200211
4131011211011113322
51002430410322224
622203044421334
72153650433233
oct350545052772
988547662624
1031232120314
111227779928a
1260776a784a
132c39724685
141723d3a08a
15c2bdab894
hex7459455fa

31232120314 has 32 divisors (see below), whose sum is σ = 51519628800. Its totient is φ = 14142542400.

The previous prime is 31232120287. The next prime is 31232120323. The reversal of 31232120314 is 41302123213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29002 + ... + 251605.

It is an arithmetic number, because the mean of its divisors is an integer number (1609988400).

Almost surely, 231232120314 is an apocalyptic number.

31232120314 is a deficient number, since it is larger than the sum of its proper divisors (20287508486).

31232120314 is a wasteful number, since it uses less digits than its factorization.

31232120314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280758.

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

Adding to 31232120314 its reverse (41302123213), we get a palindrome (72534243527).

The spelling of 31232120314 in words is "thirty-one billion, two hundred thirty-two million, one hundred twenty thousand, three hundred fourteen".

Divisors: 1 2 19 29 38 58 101 202 551 1102 1919 2929 3838 5858 55651 111302 280607 561214 5331533 8137603 10663066 16275206 28341307 56682614 154614457 309228914 538484833 821897903 1076969666 1643795806 15616060157 31232120314