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301131230031 = 32137333077369
BaseRepresentation
bin1000110000111001101…
…00011110101101001111
31001210021100112110121200
410120130310132231033
514413204043330111
6350200543200543
730520212136152
oct4303464365517
91053240473550
10301131230031
11106788802155
124a4402a6153
13225202c53a8
141080948dc99
157c76b63256
hex461cd1eb4f

301131230031 has 24 divisors (see below), whose sum is σ = 435474845520. Its totient is φ = 200520061056.

The previous prime is 301131229961. The next prime is 301131230069. The reversal of 301131230031 is 130032131103.

It is a happy number.

301131230031 is a `hidden beast` number, since 301 + 1 + 31 + 2 + 300 + 31 = 666.

It is not a de Polignac number, because 301131230031 - 226 = 301064121167 is a prime.

It is a super-2 number, since 2×3011312300312 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 301131229986 and 301131230013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301131220031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40860915 + ... + 40868283.

It is an arithmetic number, because the mean of its divisors is an integer number (18144785230).

Almost surely, 2301131230031 is an apocalyptic number.

301131230031 is a deficient number, since it is larger than the sum of its proper divisors (134343615489).

301131230031 is a wasteful number, since it uses less digits than its factorization.

301131230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12055 (or 12052 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 301131230031 its reverse (130032131103), we get a palindrome (431163361134).

The spelling of 301131230031 in words is "three hundred one billion, one hundred thirty-one million, two hundred thirty thousand, thirty-one".

Divisors: 1 3 9 1373 3307 4119 7369 9921 12357 22107 29763 66321 4540511 10117637 13621533 24369283 30352911 40864599 73107849 91058733 219323547 33459025559 100377076677 301131230031