Base | Representation |
---|---|
bin | 11100111111101000… |
… | …011011000010101001 |
3 | 2222100122222100010210 |
4 | 130333220123002221 |
5 | 1002224334112301 |
6 | 22145121531333 |
7 | 2151326312625 |
oct | 347750330251 |
9 | 88318870123 |
10 | 31132332201 |
11 | 12226431a73 |
12 | 604a1a3b49 |
13 | 2c21b56459 |
14 | 17149a2185 |
15 | c23249ad6 |
hex | 73fa1b0a9 |
31132332201 has 4 divisors (see below), whose sum is σ = 41509776272. Its totient is φ = 20754888132.
The previous prime is 31132332193. The next prime is 31132332229. The reversal of 31132332201 is 10223323113.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 31132332201 - 23 = 31132332193 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (31132332251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5188722031 + ... + 5188722036.
It is an arithmetic number, because the mean of its divisors is an integer number (10377444068).
Almost surely, 231132332201 is an apocalyptic number.
It is an amenable number.
31132332201 is a deficient number, since it is larger than the sum of its proper divisors (10377444071).
31132332201 is a wasteful number, since it uses less digits than its factorization.
31132332201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10377444070.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 31132332201 its reverse (10223323113), we get a palindrome (41355655314).
The spelling of 31132332201 in words is "thirty-one billion, one hundred thirty-two million, three hundred thirty-two thousand, two hundred one".
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