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12131341413 = 3132114712081
BaseRepresentation
bin10110100110001010…
…11001010001100101
31011022110020222220020
423103011121101211
5144321110411123
65323440425353
7606424462212
oct132305312145
934273228806
1012131341413
11516590a3a4
122426918259
1311b442ca39
1483124ab09
154b00667e3
hex2d3159465

12131341413 has 16 divisors (see below), whose sum is σ = 16206154752. Its totient is φ = 8072064000.

The previous prime is 12131341381. The next prime is 12131341427. The reversal of 12131341413 is 31414313121.

It is a happy number.

It is not a de Polignac number, because 12131341413 - 25 = 12131341381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131341493) 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, 5828533 + ... + 5830613.

It is an arithmetic number, because the mean of its divisors is an integer number (1012884672).

Almost surely, 212131341413 is an apocalyptic number.

It is an amenable number.

12131341413 is a deficient number, since it is larger than the sum of its proper divisors (4074813339).

12131341413 is a wasteful number, since it uses less digits than its factorization.

12131341413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4876.

The product of its digits is 864, while the sum is 24.

Adding to 12131341413 its reverse (31414313121), we get a palindrome (43545654534).

The spelling of 12131341413 in words is "twelve billion, one hundred thirty-one million, three hundred forty-one thousand, four hundred thirteen".

Divisors: 1 3 1321 1471 2081 3963 4413 6243 1943191 2749001 3061151 5829573 8247003 9183453 4043780471 12131341413