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231213012130311 = 3103748262175179
BaseRepresentation
bin110100100100100101111001…
…011101001001101000000111
31010022122202012100122122011020
4310210211321131021220013
5220301143222101132221
62135425442540242223
766462405661006041
oct6444457135115007
91108582170578136
10231213012130311
11677429847005a2
1221b22769b40373
139c023a7a43c03
144114aab700a91
151bae5ab09eac6
hexd24979749a07

231213012130311 has 8 divisors (see below), whose sum is σ = 311277064874880. Its totient is φ = 152645483736312.

The previous prime is 231213012130253. The next prime is 231213012130333. The reversal of 231213012130311 is 113031210312132.

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

It is not a de Polignac number, because 231213012130311 - 210 = 231213012129287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231213012130351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374131087281 + ... + 374131087898.

It is an arithmetic number, because the mean of its divisors is an integer number (38909633109360).

Almost surely, 2231213012130311 is an apocalyptic number.

231213012130311 is a deficient number, since it is larger than the sum of its proper divisors (80064052744569).

231213012130311 is a wasteful number, since it uses less digits than its factorization.

231213012130311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748262175285.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 231213012130311 its reverse (113031210312132), we get a palindrome (344244222442443).

The spelling of 231213012130311 in words is "two hundred thirty-one trillion, two hundred thirteen billion, twelve million, one hundred thirty thousand, three hundred eleven".

Divisors: 1 3 103 309 748262175179 2244786525537 77071004043437 231213012130311