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1131313212210 = 23547978727433
BaseRepresentation
bin10000011101100111100…
…001011010101100110010
311000011010011101202121010
4100131213201122230302
5122013412140242320
62223415040211350
7144506665432266
oct20354741325462
94004104352533
101131313212210
113a68728a6875
1216330a609b56
13828b4252ccc
143ca820b20a6
151e664a29ae0
hex1076785ab32

1131313212210 has 32 divisors (see below), whose sum is σ = 2720820119040. Its totient is φ = 301053699968.

The previous prime is 1131313212173. The next prime is 1131313212233. The reversal of 1131313212210 is 122123131311.

It is a super-3 number, since 3×11313132122103 (a number of 37 digits) contains 333 as substring.

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, 39349347 + ... + 39378086.

It is an arithmetic number, because the mean of its divisors is an integer number (85025628720).

Almost surely, 21131313212210 is an apocalyptic number.

1131313212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131313212210 is an abundant number, since it is smaller than the sum of its proper divisors (1589506906830).

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

1131313212210 is a wasteful number, since it uses less digits than its factorization.

1131313212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78727922.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1131313212210 its reverse (122123131311), we get a palindrome (1253436343521).

The spelling of 1131313212210 in words is "one trillion, one hundred thirty-one billion, three hundred thirteen million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 479 958 1437 2395 2874 4790 7185 14370 78727433 157454866 236182299 393637165 472364598 787274330 1180911495 2361822990 37710440407 75420880814 113131321221 188552202035 226262642442 377104404070 565656606105 1131313212210