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31100002130004 = 2239372765919791
BaseRepresentation
bin1110001001001000010001…
…00101000101100001010100
311002010010112121202202000220
413010210020211011201110
513034020301021130004
6150051051014234340
76356621021254533
oct704441045054124
9132103477682026
1031100002130004
119a00489477385
1235a347b9559b0
1314479437b1b82
14797368c4a31a
1538deb0a4add9
hex1c4908945854

31100002130004 has 24 divisors (see below), whose sum is σ = 72644117417088. Its totient is φ = 10355603693760.

The previous prime is 31100002129967. The next prime is 31100002130077. The reversal of 31100002130004 is 40003120000113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382948652 + ... + 1382971139.

It is an arithmetic number, because the mean of its divisors is an integer number (3026838225712).

Almost surely, 231100002130004 is an apocalyptic number.

It is an amenable number.

31100002130004 is an abundant number, since it is smaller than the sum of its proper divisors (41544115287084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31100002130004 is a wasteful number, since it uses less digits than its factorization.

31100002130004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765920735 (or 2765920733 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31100002130004 its reverse (40003120000113), we get a palindrome (71103122130117).

The spelling of 31100002130004 in words is "thirty-one trillion, one hundred billion, two million, one hundred thirty thousand, four".

Divisors: 1 2 3 4 6 12 937 1874 2811 3748 5622 11244 2765919791 5531839582 8297759373 11063679164 16595518746 33191037492 2591666844167 5183333688334 7775000532501 10366667376668 15550001065002 31100002130004