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31233004022 = 21122311235669
BaseRepresentation
bin11101000101101000…
…011101000111110110
32222121200101222220202
4131011220131013312
51002431122112042
622203115400502
72153661103523
oct350550350766
988550358822
1031233004022
1112278242220
126077a53132
132c3997398c
1417240ca14a
15c2bed3632
hex745a1d1f6

31233004022 has 32 divisors (see below), whose sum is σ = 51392517120. Its totient is φ = 14118081120.

The previous prime is 31233003961. The next prime is 31233004037. The reversal of 31233004022 is 22040033213.

It is a junction number, because it is equal to n+sod(n) for n = 31233003985 and 31233004003.

It is a congruent number.

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, 5506604 + ... + 5512272.

It is an arithmetic number, because the mean of its divisors is an integer number (1606016160).

Almost surely, 231233004022 is an apocalyptic number.

31233004022 is a deficient number, since it is larger than the sum of its proper divisors (20159513098).

31233004022 is a wasteful number, since it uses less digits than its factorization.

31233004022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31233004022 its reverse (22040033213), we get a palindrome (53273037235).

The spelling of 31233004022 in words is "thirty-one billion, two hundred thirty-three million, four thousand, twenty-two".

Divisors: 1 2 11 22 223 446 1123 2246 2453 4906 5669 11338 12353 24706 62359 124718 250429 500858 1264187 2528374 2754719 5509438 6366287 12732574 13906057 27812114 70029157 140058314 1419682001 2839364002 15616502011 31233004022