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31442124332 = 2223219177797
BaseRepresentation
bin11101010010000110…
…001011111000101100
310000011020220102001102
4131102012023320230
51003343140434312
622235545502232
72162110434653
oct352206137054
9100136812042
1031442124332
1112375294423
126115aa1978
132c710a22c8
141743ba419a
15c4053eec2
hex75218be2c

31442124332 has 36 divisors (see below), whose sum is σ = 57821963136. Its totient is φ = 14958614880.

The previous prime is 31442124323. The next prime is 31442124349. The reversal of 31442124332 is 23342124413.

It is a junction number, because it is equal to n+sod(n) for n = 31442124295 and 31442124304.

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 11 ways as a sum of consecutive naturals, for example, 365258 + ... + 443054.

Almost surely, 231442124332 is an apocalyptic number.

It is an amenable number.

31442124332 is a deficient number, since it is larger than the sum of its proper divisors (26379838804).

31442124332 is a wasteful number, since it uses less digits than its factorization.

31442124332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78038 (or 78013 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 31442124332 its reverse (23342124413), we get a palindrome (54784248745).

The spelling of 31442124332 in words is "thirty-one billion, four hundred forty-two million, one hundred twenty-four thousand, three hundred thirty-two".

Divisors: 1 2 4 23 46 92 191 382 529 764 1058 2116 4393 8786 17572 77797 101039 155594 202078 311188 404156 1789331 3578662 7157324 14859227 29718454 41154613 59436908 82309226 164618452 341762221 683524442 1367048884 7860531083 15721062166 31442124332