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12323131123030 = 2571313541902333
BaseRepresentation
bin1011001101010011001111…
…0110100110010101010110
31121122002011012021221002221
42303110303312212111112
53103400233031414110
642113100203252554
72411213451153340
oct263246366462526
947562135257087
1012323131123030
113a2123528a202
12147037b81a15a
136b50b27ca330
1430862abc2290
151658461907da
hexb3533da6556

12323131123030 has 32 divisors (see below), whose sum is σ = 27300475105344. Its totient is φ = 3900067871616.

The previous prime is 12323131122997. The next prime is 12323131123033. The reversal of 12323131123030 is 3032113132321.

It is a junction number, because it is equal to n+sod(n) for n = 12323131122986 and 12323131123004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323131123033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6770950257 + ... + 6770952076.

It is an arithmetic number, because the mean of its divisors is an integer number (853139847042).

Almost surely, 212323131123030 is an apocalyptic number.

12323131123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12323131123030 is an abundant number, since it is smaller than the sum of its proper divisors (14977343982314).

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

12323131123030 is a wasteful number, since it uses less digits than its factorization.

12323131123030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13541902360.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 12323131123030 its reverse (3032113132321), we get a palindrome (15355244255351).

The spelling of 12323131123030 in words is "twelve trillion, three hundred twenty-three billion, one hundred thirty-one million, one hundred twenty-three thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 13541902333 27083804666 67709511665 94793316331 135419023330 176044730329 189586632662 352089460658 473966581655 880223651645 947933163310 1232313112303 1760447303290 2464626224606 6161565561515 12323131123030