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20031003031132 = 22198912723318219
BaseRepresentation
bin1001000110111110101001…
…10100011111011001011100
32121220221112001010200002001
410203133110310133121130
510111141443233444012
6110334041000412044
74135122633314512
oct443372464373134
977827461120061
1020031003031132
116423112005215
1222b6186477024
13b23bb9407882
144d37119a24b2
1524b0bba8e357
hex1237d4d1f65c

20031003031132 has 48 divisors (see below), whose sum is σ = 37607625216000. Its totient is φ = 9307886442624.

The previous prime is 20031003031129. The next prime is 20031003031139. The reversal of 20031003031132 is 23113030013002.

It is a super-2 number, since 2×200310030311322 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031003031139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10800082 + ... + 12518137.

It is an arithmetic number, because the mean of its divisors is an integer number (783492192000).

Almost surely, 220031003031132 is an apocalyptic number.

It is an amenable number.

20031003031132 is a deficient number, since it is larger than the sum of its proper divisors (17576622184868).

20031003031132 is a wasteful number, since it uses less digits than its factorization.

20031003031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23318458 (or 23318456 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20031003031132 its reverse (23113030013002), we get a palindrome (43144033044134).

The spelling of 20031003031132 in words is "twenty trillion, thirty-one billion, three million, thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 19 38 76 89 127 178 254 356 508 1691 2413 3382 4826 6764 9652 11303 22606 45212 214757 429514 859028 23318219 46636438 93272876 443046161 886092322 1772184644 2075321491 2961413813 4150642982 5922827626 8301285964 11845655252 39431108329 56266862447 78862216658 112533724894 157724433316 225067449788 263565829357 527131658714 1054263317428 5007750757783 10015501515566 20031003031132