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31223241110044 = 22192172031256917
BaseRepresentation
bin1110001100101101110100…
…01100011111001000011100
311002112220122100122120212001
413012112322030133020130
513043030144211010134
6150223431533252044
76401543010306454
oct706267214371034
9132486570576761
1031223241110044
119a4877a689105
123603334334024
131456453a35279
1479d2da406d64
153922c504e414
hex1c65ba31f21c

31223241110044 has 36 divisors (see below), whose sum is σ = 57671254064424. Its totient is φ = 14789084817888.

The previous prime is 31223241110011. The next prime is 31223241110093. The reversal of 31223241110044 is 44001114232213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31223241109994 and 31223241110021.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 24212674 + ... + 25469590.

Almost surely, 231223241110044 is an apocalyptic number.

It is an amenable number.

31223241110044 is a deficient number, since it is larger than the sum of its proper divisors (26448012954380).

31223241110044 is a wasteful number, since it uses less digits than its factorization.

31223241110044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274162 (or 1274141 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 31223241110044 its reverse (44001114232213), we get a palindrome (75224355342257).

The spelling of 31223241110044 in words is "thirty-one trillion, two hundred twenty-three billion, two hundred forty-one million, one hundred ten thousand, forty-four".

Divisors: 1 2 4 19 38 76 361 722 1444 17203 34406 68812 326857 653714 1256917 1307428 2513834 5027668 6210283 12420566 23881423 24841132 47762846 95525692 453747037 907494074 1814988148 21622743151 43245486302 86490972604 410832119869 821664239738 1643328479476 7805810277511 15611620555022 31223241110044