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31112114212 = 2246631668031
BaseRepresentation
bin11100111110011011…
…010011000000100100
32222022020221011021101
4130332123103000210
51002204200123322
622143120325444
72150662415224
oct347633230044
988266834241
1031112114212
1112215a82993
126043473884
132c1a8c7a4a
14171201c084
15c215a4327
hex73e6d3024

31112114212 has 12 divisors (see below), whose sum is σ = 54457908736. Its totient is φ = 15552711720.

The previous prime is 31112114203. The next prime is 31112114227. The reversal of 31112114212 is 21241121113.

It is a self number, because there is not a number n which added to its sum of digits gives 31112114212.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 815364 + ... + 852667.

Almost surely, 231112114212 is an apocalyptic number.

It is an amenable number.

31112114212 is a deficient number, since it is larger than the sum of its proper divisors (23345794524).

31112114212 is a wasteful number, since it uses less digits than its factorization.

31112114212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672698 (or 1672696 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

Adding to 31112114212 its reverse (21241121113), we get a palindrome (52353235325).

The spelling of 31112114212 in words is "thirty-one billion, one hundred twelve million, one hundred fourteen thousand, two hundred twelve".

Divisors: 1 2 4 4663 9326 18652 1668031 3336062 6672124 7778028553 15556057106 31112114212