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31244332104142 = 218905418263331
BaseRepresentation
bin1110001101010101000110…
…10100001111100111001110
311002121221002020002002122121
413012222203110033213032
513043401343004313032
6150241240434403154
76403220450640253
oct706524324174716
9132557066062577
1031244332104142
119a56712a31143
12360743b7304ba
131458435459631
147a033b56542a
15392b0b972a97
hex1c6aa350f9ce

31244332104142 has 8 divisors (see below), whose sum is σ = 46866528617832. Its totient is φ = 15622155898200.

The previous prime is 31244332104131. The next prime is 31244332104173. The reversal of 31244332104142 is 24140123344213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31244332104098 and 31244332104107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350584 + ... + 7912747.

It is an arithmetic number, because the mean of its divisors is an integer number (5858316077229).

Almost surely, 231244332104142 is an apocalyptic number.

31244332104142 is a deficient number, since it is larger than the sum of its proper divisors (15622196513690).

31244332104142 is a wasteful number, since it uses less digits than its factorization.

31244332104142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10153874.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 31244332104142 its reverse (24140123344213), we get a palindrome (55384455448355).

The spelling of 31244332104142 in words is "thirty-one trillion, two hundred forty-four billion, three hundred thirty-two million, one hundred four thousand, one hundred forty-two".

Divisors: 1 2 1890541 3781082 8263331 16526662 15622166052071 31244332104142