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1232312103231 = 3111923103829637
BaseRepresentation
bin10001111011101011100…
…001100111000100111111
311100210210221122000201120
4101323223201213010333
5130142233344300411
62342041045042023
7155013562022436
oct21735341470477
94323727560646
101232312103231
11435691068540
1217a9b69b6313
138c28b9a1c11
1443903a7211d
15220c67c7106
hex11eeb86713f

1232312103231 has 64 divisors (see below), whose sum is σ = 1987945390080. Its totient is φ = 670213146240.

The previous prime is 1232312103221. The next prime is 1232312103247. The reversal of 1232312103231 is 1323012132321.

It is not a de Polignac number, because 1232312103231 - 217 = 1232311972159 is a prime.

It is a super-2 number, since 2×12323121032312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232312103221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1070545 + ... + 1900181.

It is an arithmetic number, because the mean of its divisors is an integer number (31061646720).

Almost surely, 21232312103231 is an apocalyptic number.

1232312103231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1232312103231 is a deficient number, since it is larger than the sum of its proper divisors (755633286849).

1232312103231 is a wasteful number, since it uses less digits than its factorization.

1232312103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829796.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1232312103231 its reverse (1323012132321), we get a palindrome (2555324235552).

The spelling of 1232312103231 in words is "one trillion, two hundred thirty-two billion, three hundred twelve million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 3 11 19 23 33 57 69 103 209 253 309 437 627 759 1133 1311 1957 2369 3399 4807 5871 7107 14421 21527 26059 45011 64581 78177 135033 495121 829637 1485363 2488911 9126007 15763103 19081651 27378021 47289309 57244953 85452611 173394133 209898161 256357833 362551369 520182399 629694483 939978721 1087654107 1623599609 1965410053 2819936163 3988065059 4870798827 5896230159 11964195177 17859595699 21619510583 37342791007 53578787097 64858531749 112028373021 410770701077 1232312103231