Search a number
-
+
33131210233 = 1119158522537
BaseRepresentation
bin11110110110110001…
…100010010111111001
310011111222012212022111
4132312301202113321
51020323042211413
623115324452321
72252010432442
oct366661422771
9104458185274
1033131210233
1113061782690
1265076aa0a1
13317ccc9c14
1418642482c9
15cdd989d3d
hex7b6c625f9

33131210233 has 8 divisors (see below), whose sum is σ = 38045409120. Its totient is φ = 28534056480.

The previous prime is 33131210171. The next prime is 33131210239. The reversal of 33131210233 is 33201213133.

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 33131210233 - 217 = 33131079161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33131210239) 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, 79261060 + ... + 79261477.

It is an arithmetic number, because the mean of its divisors is an integer number (4755676140).

Almost surely, 233131210233 is an apocalyptic number.

It is an amenable number.

33131210233 is a deficient number, since it is larger than the sum of its proper divisors (4914198887).

33131210233 is a wasteful number, since it uses less digits than its factorization.

33131210233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158522567.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 33131210233 its reverse (33201213133), we get a palindrome (66332423366).

The spelling of 33131210233 in words is "thirty-three billion, one hundred thirty-one million, two hundred ten thousand, two hundred thirty-three".

Divisors: 1 11 19 209 158522537 1743747907 3011928203 33131210233