Search a number
-
+
210303321131 = 19311796473083
BaseRepresentation
bin1100001111011100001…
…1100000010000101011
3202002211101210121222202
43003313003200100223
511421200122234011
6240340110010415
721123340510061
oct3036703402053
9662741717882
10210303321131
1181209818932
12349121a6a0b
1316aa6acacb7
14a270640031
15570cc9a23b
hex30f70e042b

210303321131 has 32 divisors (see below), whose sum is σ = 230219366400. Its totient is φ = 191372228640.

The previous prime is 210303321127. The next prime is 210303321161. The reversal of 210303321131 is 131123303012.

It is not a de Polignac number, because 210303321131 - 22 = 210303321127 is a prime.

It is a super-2 number, since 2×2103033211312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210303321161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68212316 + ... + 68215398.

It is an arithmetic number, because the mean of its divisors is an integer number (7194355200).

Almost surely, 2210303321131 is an apocalyptic number.

210303321131 is a deficient number, since it is larger than the sum of its proper divisors (19916045269).

210303321131 is a wasteful number, since it uses less digits than its factorization.

210303321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 210303321131 its reverse (131123303012), we get a palindrome (341426624143).

The spelling of 210303321131 in words is "two hundred ten billion, three hundred three million, three hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 19 31 179 589 647 3083 3401 5549 12293 20057 58577 95573 105431 115813 381083 551857 1815887 1994701 2200447 3590203 10485283 17107567 37899319 61835731 68213857 325043773 357051479 1174878889 6783978101 11068595849 210303321131