Search a number
-
+
331130833 = 1159510217
BaseRepresentation
bin10011101111001…
…010011111010001
3212002002012002221
4103233022133101
51134232141313
652505141041
711130365005
oct2357123721
9762065087
10331130833
1115aa07550
1292a8a781
13537aa707
1431d98705
151e10cc8d
hex13bca7d1

331130833 has 8 divisors (see below), whose sum is σ = 367356960. Its totient is φ = 295925280.

The previous prime is 331130759. The next prime is 331130869. The reversal of 331130833 is 338031133.

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

It is a cyclic number.

It is not a de Polignac number, because 331130833 - 29 = 331130321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331130798 and 331130807.

It is not an unprimeable number, because it can be changed into a prime (331130873) 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 7 ways as a sum of consecutive naturals, for example, 254460 + ... + 255757.

It is an arithmetic number, because the mean of its divisors is an integer number (45919620).

Almost surely, 2331130833 is an apocalyptic number.

It is an amenable number.

331130833 is a deficient number, since it is larger than the sum of its proper divisors (36226127).

331130833 is a wasteful number, since it uses less digits than its factorization.

331130833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510287.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 331130833 is about 18197.0006594493. Note that the first 3 decimals coincide. The cubic root of 331130833 is about 691.8307700104.

Adding to 331130833 its reverse (338031133), we get a palindrome (669161966).

The spelling of 331130833 in words is "three hundred thirty-one million, one hundred thirty thousand, eight hundred thirty-three".

Divisors: 1 11 59 649 510217 5612387 30102803 331130833