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31203200132210 = 25127223809136189
BaseRepresentation
bin1110001100001000011111…
…01010001110010001110010
311002110222220200000102120202
413012010033222032101302
513042213123213212320
6150210315141435202
76400233246642611
oct706041752162162
9132428820012522
1031203200132210
119a40226010907
1235bb48070bb02
1314545aba109c2
1479c3588d5878
15391a008dbb75
hex1c610fa8e472

31203200132210 has 64 divisors (see below), whose sum is σ = 56932562534400. Its totient is φ = 12312144778752.

The previous prime is 31203200132207. The next prime is 31203200132239. The reversal of 31203200132210 is 1223100230213.

It is a super-2 number, since 2×312032001322102 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229048796 + ... + 229184984.

It is an arithmetic number, because the mean of its divisors is an integer number (889571289600).

Almost surely, 231203200132210 is an apocalyptic number.

31203200132210 is a deficient number, since it is larger than the sum of its proper divisors (25729362402190).

31203200132210 is a wasteful number, since it uses less digits than its factorization.

31203200132210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137355.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31203200132210 its reverse (1223100230213), we get a palindrome (32426300362423).

The spelling of 31203200132210 in words is "thirty-one trillion, two hundred three billion, two hundred million, one hundred thirty-two thousand, two hundred ten".

Divisors: 1 2 5 10 127 223 254 446 635 809 1115 1270 1618 2230 4045 8090 28321 56642 102743 136189 141605 180407 205486 272378 283210 360814 513715 680945 902035 1027430 1361890 1804070 17296003 22911689 30370147 34592006 45823378 60740294 86480015 110176901 114558445 151850735 172960030 220353802 229116890 303701470 550884505 1101769010 3857008669 7714017338 13992466427 19285043345 24569448923 27984932854 38570086690 49138897846 69962332135 122847244615 139924664270 245694489230 3120320013221 6240640026442 15601600066105 31203200132210