Search a number
-
+
163033131 = 3232362799
BaseRepresentation
bin10011011011110…
…11000000101011
3102100202221102010
421231323000223
5313214030011
624102211003
74016521152
oct1155730053
9370687363
10163033131
1184034228
1246723a63
1327a13211
141791c599
15e4a61a6
hex9b7b02b

163033131 has 8 divisors (see below), whose sum is σ = 226828800. Its totient is φ = 103963112.

The previous prime is 163033121. The next prime is 163033147. The reversal of 163033131 is 131330361.

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 163033131 - 26 = 163033067 is a prime.

It is a super-2 number, since 2×1630331312 = 53159603607326322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163033098 and 163033107.

It is not an unprimeable number, because it can be changed into a prime (163033121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181331 + ... + 1181468.

It is an arithmetic number, because the mean of its divisors is an integer number (28353600).

Almost surely, 2163033131 is an apocalyptic number.

163033131 is a deficient number, since it is larger than the sum of its proper divisors (63795669).

163033131 is a wasteful number, since it uses less digits than its factorization.

163033131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362825.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 163033131 is about 12768.4427789766. The cubic root of 163033131 is about 546.2925648312.

Adding to 163033131 its reverse (131330361), we get a palindrome (294363492).

The spelling of 163033131 in words is "one hundred sixty-three million, thirty-three thousand, one hundred thirty-one".

Divisors: 1 3 23 69 2362799 7088397 54344377 163033131