Search a number
-
+
33121320212031 = 369171596131281
BaseRepresentation
bin1111000011111101010001…
…00001101001011000111111
311100021100220202100100212120
413201332220201221120333
513320124430433241111
6154235420251534023
76655636122420342
oct741765041513077
9140240822310776
1033121320212031
11a60a744874777
12386b17315a313
13156343381a25c
1482711aa8c459
153c6865357406
hex1e1fa886963f

33121320212031 has 8 divisors (see below), whose sum is σ = 44168144835504. Its totient is φ = 22077687864960.

The previous prime is 33121320212027. The next prime is 33121320212087. The reversal of 33121320212031 is 13021202312133.

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

It is not a de Polignac number, because 33121320212031 - 22 = 33121320212027 is a prime.

It is a super-2 number, since 2×331213202120312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33121320211992 and 33121320212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33121320212531) 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, 798044890 + ... + 798086391.

It is an arithmetic number, because the mean of its divisors is an integer number (5521018104438).

Almost surely, 233121320212031 is an apocalyptic number.

33121320212031 is a deficient number, since it is larger than the sum of its proper divisors (11046824623473).

33121320212031 is a wasteful number, since it uses less digits than its factorization.

33121320212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596138201.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 33121320212031 its reverse (13021202312133), we get a palindrome (46142522524164).

The spelling of 33121320212031 in words is "thirty-three trillion, one hundred twenty-one billion, three hundred twenty million, two hundred twelve thousand, thirty-one".

Divisors: 1 3 6917 20751 1596131281 4788393843 11040440070677 33121320212031