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13031102232123 = 3171255320354641
BaseRepresentation
bin1011110110100000101000…
…1110000011011000111011
31201010202112220211121212120
42331220022032003120323
53202000144132411443
643414223345212323
72513315601251103
oct275501216033073
951122486747776
1013031102232123
114174506543068
1215656219310a3
13736a9b503171
143309cc9d0203
15178e7ee38083
hexbda0a38363b

13031102232123 has 16 divisors (see below), whose sum is σ = 18398316648096. Its totient is φ = 8175726120960.

The previous prime is 13031102232073. The next prime is 13031102232133. The reversal of 13031102232123 is 32123220113031.

13031102232123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13031102232123 - 26 = 13031102232059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13031102232093 and 13031102232102.

It is not an unprimeable number, because it can be changed into a prime (13031102232133) 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, 9537118 + ... + 10817523.

It is an arithmetic number, because the mean of its divisors is an integer number (1149894790506).

Almost surely, 213031102232123 is an apocalyptic number.

13031102232123 is a deficient number, since it is larger than the sum of its proper divisors (5367214415973).

13031102232123 is a wasteful number, since it uses less digits than its factorization.

13031102232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20367214.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13031102232123 its reverse (32123220113031), we get a palindrome (45154322345154).

The spelling of 13031102232123 in words is "thirteen trillion, thirty-one billion, one hundred two million, two hundred thirty-two thousand, one hundred twenty-three".

Divisors: 1 3 17 51 12553 37659 213401 640203 20354641 61063923 346028897 1038086691 255511808473 766535425419 4343700744041 13031102232123