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12300031313121 = 317372176170259
BaseRepresentation
bin1011001011111101001011…
…1111110100010011100001
31121112212112022221000001210
42302333102333310103201
53103010431004004441
642054320102220333
72406435146052636
oct262772277642341
947485468830053
1012300031313121
113a12461019112
1214679b37246a9
136b2b70b63066
14307478d5218d
15164e43217616
hexb2fd2ff44e1

12300031313121 has 24 divisors (see below), whose sum is σ = 17846752019040. Its totient is φ = 7509081076992.

The previous prime is 12300031313107. The next prime is 12300031313131. The reversal of 12300031313121 is 12131313000321.

It is a happy number.

It is not a de Polignac number, because 12300031313121 - 27 = 12300031312993 is a prime.

It is a super-2 number, since 2×123000313131212 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12300031313131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88015311 + ... + 88154948.

It is an arithmetic number, because the mean of its divisors is an integer number (743614667460).

Almost surely, 212300031313121 is an apocalyptic number.

It is an amenable number.

12300031313121 is a deficient number, since it is larger than the sum of its proper divisors (5546720705919).

12300031313121 is a wasteful number, since it uses less digits than its factorization.

12300031313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176170353 (or 176170316 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 12300031313121 its reverse (12131313000321), we get a palindrome (24431344313442).

The spelling of 12300031313121 in words is "twelve trillion, three hundred billion, thirty-one million, three hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 3 17 37 51 111 629 1369 1887 4107 23273 69819 176170259 528510777 2994894403 6518299583 8984683209 19554898749 110811092911 241177084571 332433278733 723531253713 4100010437707 12300031313121