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10312131133 = 17606595949
BaseRepresentation
bin10011001101010011…
…01010001000111101
3222121200002112112201
421212221222020331
5132104401144013
64423132431501
7513354445153
oct114651521075
928550075481
1010312131133
114411a24827
121bb9618591
13c84574b55
146db7b33d3
154054b63dd
hex266a6a23d

10312131133 has 4 divisors (see below), whose sum is σ = 10918727100. Its totient is φ = 9705535168.

The previous prime is 10312131119. The next prime is 10312131143. The reversal of 10312131133 is 33113121301.

10312131133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4936748644 + 5375382489 = 70262^2 + 73317^2 .

It is a cyclic number.

It is not a de Polignac number, because 10312131133 - 25 = 10312131101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10312131133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312131143) 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 3 ways as a sum of consecutive naturals, for example, 303297958 + ... + 303297991.

It is an arithmetic number, because the mean of its divisors is an integer number (2729681775).

Almost surely, 210312131133 is an apocalyptic number.

It is an amenable number.

10312131133 is a deficient number, since it is larger than the sum of its proper divisors (606595967).

10312131133 is an equidigital number, since it uses as much as digits as its factorization.

10312131133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606595966.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 10312131133 its reverse (33113121301), we get a palindrome (43425252434).

The spelling of 10312131133 in words is "ten billion, three hundred twelve million, one hundred thirty-one thousand, one hundred thirty-three".

Divisors: 1 17 606595949 10312131133