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2020031103 = 31723317039
BaseRepresentation
bin111100001100111…
…0011101001111111
312012210001012201210
41320121303221333
513114111443403
6532240135503
7101025660336
oct17031635177
95183035653
102020031103
119472892a2
12484607593
1326266b99c
141523d0d1d
15bc51cb03
hex78673a7f

2020031103 has 24 divisors (see below), whose sum is σ = 2870179840. Its totient is φ = 1263461760.

The previous prime is 2020031071. The next prime is 2020031129. The reversal of 2020031103 is 3011300202.

It is a happy number.

It is not a de Polignac number, because 2020031103 - 25 = 2020031071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020031803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283458 + ... + 290496.

Almost surely, 22020031103 is an apocalyptic number.

2020031103 is a deficient number, since it is larger than the sum of its proper divisors (850148737).

2020031103 is a wasteful number, since it uses less digits than its factorization.

2020031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407 (or 7390 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2020031103 is about 44944.7561234901. The cubic root of 2020031103 is about 1264.1133528689.

Adding to 2020031103 its reverse (3011300202), we get a palindrome (5031331305).

The spelling of 2020031103 in words is "two billion, twenty million, thirty-one thousand, one hundred three".

Divisors: 1 3 17 51 289 331 867 993 5627 7039 16881 21117 95659 119663 286977 358989 2034271 2329909 6102813 6989727 39608453 118825359 673343701 2020031103