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2020210131 = 31935442283
BaseRepresentation
bin111100001101001…
…1111010111010011
312012210101022022110
41320122133113103
513114133211011
6532244040403
7101030334312
oct17032372723
95183338273
102020210131
119473a0855
12484693103
13262702314
1415243a279
15bc555ba6
hex7869f5d3

2020210131 has 8 divisors (see below), whose sum is σ = 2835382720. Its totient is φ = 1275922152.

The previous prime is 2020210111. The next prime is 2020210141. The reversal of 2020210131 is 1310120202.

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

It is not a de Polignac number, because 2020210131 - 25 = 2020210099 is a prime.

It is a super-2 number, since 2×20202101312 = 8162497946790074322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020210111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17721085 + ... + 17721198.

It is an arithmetic number, because the mean of its divisors is an integer number (354422840).

Almost surely, 22020210131 is an apocalyptic number.

2020210131 is a deficient number, since it is larger than the sum of its proper divisors (815172589).

2020210131 is a wasteful number, since it uses less digits than its factorization.

2020210131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35442305.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2020210131 is about 44946.7477243905. The cubic root of 2020210131 is about 1264.1506963533.

Adding to 2020210131 its reverse (1310120202), we get a palindrome (3330330333).

The spelling of 2020210131 in words is "two billion, twenty million, two hundred ten thousand, one hundred thirty-one".

Divisors: 1 3 19 57 35442283 106326849 673403377 2020210131