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331130000 = 245433113
BaseRepresentation
bin10011101111001…
…010010010010000
3212002002010222002
4103233022102100
51134232130000
652505133132
711130362405
oct2357122220
9762063862
10331130000
1115aa06963
1292a8a1a8
13537aa216
1431d982ac
151e10c8d5
hex13bca490

331130000 has 50 divisors (see below), whose sum is σ = 801723054. Its totient is φ = 132448000.

The previous prime is 331129999. The next prime is 331130053. The reversal of 331130000 is 31133.

It can be written as a sum of positive squares in 5 ways, for example, as 174979984 + 156150016 = 13228^2 + 12496^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6557 + ... + 26556.

Almost surely, 2331130000 is an apocalyptic number.

It is an amenable number.

331130000 is an abundant number, since it is smaller than the sum of its proper divisors (470593054).

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

331130000 is an equidigital number, since it uses as much as digits as its factorization.

331130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33141 (or 33120 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 331130000 is about 18196.9777710476. The cubic root of 331130000 is about 691.8301898816.

Adding to 331130000 its reverse (31133), we get a palindrome (331161133).

The spelling of 331130000 in words is "three hundred thirty-one million, one hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 33113 66226 132452 165565 264904 331130 529808 662260 827825 1324520 1655650 2649040 3311300 4139125 6622600 8278250 13245200 16556500 20695625 33113000 41391250 66226000 82782500 165565000 331130000