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312011244111031 = 2324156289237617
BaseRepresentation
bin100011011110001011100011…
…1010111110000010010110111
31111220201222120001210201021021
41012330113013113300102313
5311343443011443023111
63023331553050402011
7122502032331042313
oct10674270727602267
91456658501721237
10312011244111031
1190464253203373
122abb1a52430307
13105136c347c12a
1457095d38aab43
1526111dd98cd71
hex11bc5c75f04b7

312011244111031 has 8 divisors (see below), whose sum is σ = 326927892085344. Its totient is φ = 297207174612480.

The previous prime is 312011244111029. The next prime is 312011244111037. The reversal of 312011244111031 is 130111442110213.

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 312011244111031 - 21 = 312011244111029 is a prime.

It is a super-2 number, since 2×3120112441110312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312011244110987 and 312011244111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312011244111037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28144613266 + ... + 28144624351.

It is an arithmetic number, because the mean of its divisors is an integer number (40865986510668).

Almost surely, 2312011244111031 is an apocalyptic number.

312011244111031 is a deficient number, since it is larger than the sum of its proper divisors (14916647974313).

312011244111031 is a wasteful number, since it uses less digits than its factorization.

312011244111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56289237881.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 312011244111031 its reverse (130111442110213), we get a palindrome (442122686221244).

The spelling of 312011244111031 in words is "three hundred twelve trillion, eleven billion, two hundred forty-four million, one hundred eleven thousand, thirty-one".

Divisors: 1 23 241 5543 56289237617 1294652465191 13565706265697 312011244111031