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3023131000 = 235317916889
BaseRepresentation
bin1011010000110001…
…0101000101111000
321210200112222002211
42310030111011320
522142410143000
61215552104504
7134626122001
oct26414250570
97720488084
103023131000
11131152a07a
12704535134
13392422b16
142097081a8
1512a6127ba
hexb4315178

3023131000 has 64 divisors (see below), whose sum is σ = 7114068000. Its totient is φ = 1202425600.

The previous prime is 3023130989. The next prime is 3023131009. The reversal of 3023131000 is 1313203.

It is a super-2 number, since 2×30231310002 = 18278642086322000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023131009) 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, 170556 + ... + 187444.

Almost surely, 23023131000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3023131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3557034000).

3023131000 is an abundant number, since it is smaller than the sum of its proper divisors (4090937000).

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

3023131000 is a wasteful number, since it uses less digits than its factorization.

3023131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17089 (or 17075 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 3023131000 is about 54983.0064656345. The cubic root of 3023131000 is about 1445.9468258145.

Adding to 3023131000 its reverse (1313203), we get a palindrome (3024444203).

The spelling of 3023131000 in words is "three billion, twenty-three million, one hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 179 200 250 358 500 716 895 1000 1432 1790 3580 4475 7160 8950 16889 17900 22375 33778 35800 44750 67556 84445 89500 135112 168890 179000 337780 422225 675560 844450 1688900 2111125 3023131 3377800 4222250 6046262 8444500 12092524 15115655 16889000 24185048 30231310 60462620 75578275 120925240 151156550 302313100 377891375 604626200 755782750 1511565500 3023131000