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12300031113 = 3137181165343
BaseRepresentation
bin10110111010010001…
…11001010010001001
31011202012200022122220
423131020321102021
5200142301443423
65352304204253
7613543353006
oct133510712211
934665608586
1012300031113
115242057477
122473309689
131210373826
148497dc8ad
154bec889e3
hex2dd239489

12300031113 has 16 divisors (see below), whose sum is σ = 16611119616. Its totient is φ = 8095144320.

The previous prime is 12300031111. The next prime is 12300031123. The reversal of 12300031113 is 31113000321.

It is not a de Polignac number, because 12300031113 - 21 = 12300031111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12300031092 and 12300031101.

It is not an unprimeable number, because it can be changed into a prime (12300031111) 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, 8281 + ... + 157062.

It is an arithmetic number, because the mean of its divisors is an integer number (1038194976).

Almost surely, 212300031113 is an apocalyptic number.

It is an amenable number.

12300031113 is a deficient number, since it is larger than the sum of its proper divisors (4311088503).

12300031113 is a wasteful number, since it uses less digits than its factorization.

12300031113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165664.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12300031113 its reverse (31113000321), we get a palindrome (43413031434).

The spelling of 12300031113 in words is "twelve billion, three hundred million, thirty-one thousand, one hundred thirteen".

Divisors: 1 3 137 181 411 543 24797 74391 165343 496029 22651991 29927083 67955973 89781249 4100010371 12300031113