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13012300131 = 312913359747
BaseRepresentation
bin11000001111001011…
…11111000101100011
31020120211221100001220
430013211333011203
5203122122101011
65551110430123
7640312504035
oct140745770543
936524840056
1013012300131
115578116756
122631962343
1312c4aba49c
148b624bc55
15512581506
hex30797f163

13012300131 has 8 divisors (see below), whose sum is σ = 17363177664. Its totient is φ = 8668144680.

The previous prime is 13012300111. The next prime is 13012300139. The reversal of 13012300131 is 13100321031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13012300131 - 25 = 13012300099 is a prime.

It is a super-2 number, since 2×130123001312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13012300131.

It is not an unprimeable number, because it can be changed into a prime (13012300139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676001 + ... + 1683746.

It is an arithmetic number, because the mean of its divisors is an integer number (2170397208).

Almost surely, 213012300131 is an apocalyptic number.

13012300131 is a deficient number, since it is larger than the sum of its proper divisors (4350877533).

13012300131 is a wasteful number, since it uses less digits than its factorization.

13012300131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361041.

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

Adding to 13012300131 its reverse (13100321031), we get a palindrome (26112621162).

The spelling of 13012300131 in words is "thirteen billion, twelve million, three hundred thousand, one hundred thirty-one".

Divisors: 1 3 1291 3873 3359747 10079241 4337433377 13012300131