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231132130113 = 3451717056463
BaseRepresentation
bin1101011101000010001…
…1000110101101000001
3211002120222212202102110
43113100203012231001
512241324311130423
6254103003405533
722461445455513
oct3272043065501
9732528782373
10231132130113
118a028075355
12389658238a9
1318a46104641
14b288a2dbb3
15602b67e193
hex35d08c6b41

231132130113 has 8 divisors (see below), whose sum is σ = 308244417408. Its totient is φ = 154053964784.

The previous prime is 231132130091. The next prime is 231132130139. The reversal of 231132130113 is 311031231132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 231132130113 - 28 = 231132129857 is a prime.

It is a super-2 number, since 2×2311321301132 (a number of 24 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 231132130113.

It is not an unprimeable number, because it can be changed into a prime (231132137113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8514681 + ... + 8541782.

It is an arithmetic number, because the mean of its divisors is an integer number (38530552176).

Almost surely, 2231132130113 is an apocalyptic number.

It is an amenable number.

231132130113 is a deficient number, since it is larger than the sum of its proper divisors (77112287295).

231132130113 is a wasteful number, since it uses less digits than its factorization.

231132130113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17060983.

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

Adding to 231132130113 its reverse (311031231132), we get a palindrome (542163361245).

The spelling of 231132130113 in words is "two hundred thirty-one billion, one hundred thirty-two million, one hundred thirty thousand, one hundred thirteen".

Divisors: 1 3 4517 13551 17056463 51169389 77044043371 231132130113