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31332320011133 = 181173106740393
BaseRepresentation
bin1110001111111000111111…
…10011011110001101111101
311002221100012020211220001122
413013330133303132031331
513101322042410324013
6150345511420520325
76412454045544401
oct707743763361575
9132840166756048
1031332320011133
119a8aa648a5a49
1236204b66b00a5
13146381845c11b
147a46c713b101
1539505b34da08
hex1c7f1fcde37d

31332320011133 has 4 divisors (see below), whose sum is σ = 31505426751708. Its totient is φ = 31159213270560.

The previous prime is 31332320011051. The next prime is 31332320011199. The reversal of 31332320011133 is 33111002323313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 376471826329 + 30955848184804 = 613573^2 + 5563798^2 .

It is a cyclic number.

It is not a de Polignac number, because 31332320011133 - 214 = 31332319994749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31332320011933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86553370016 + ... + 86553370377.

It is an arithmetic number, because the mean of its divisors is an integer number (7876356687927).

Almost surely, 231332320011133 is an apocalyptic number.

It is an amenable number.

31332320011133 is a deficient number, since it is larger than the sum of its proper divisors (173106740575).

31332320011133 is a wasteful number, since it uses less digits than its factorization.

31332320011133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173106740574.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31332320011133 its reverse (33111002323313), we get a palindrome (64443322334446).

The spelling of 31332320011133 in words is "thirty-one trillion, three hundred thirty-two billion, three hundred twenty million, eleven thousand, one hundred thirty-three".

Divisors: 1 181 173106740393 31332320011133