Base | Representation |
---|---|
bin | 1011101010100010… |
… | …1100110001111001 |
3 | 22002012222000220121 |
4 | 2322220230301321 |
5 | 22403043400403 |
6 | 1234413053241 |
7 | 140411012245 |
oct | 27250546171 |
9 | 8065860817 |
10 | 3131231353 |
11 | 1367553508 |
12 | 734787221 |
13 | 3ab941623 |
14 | 219c07425 |
15 | 134d673bd |
hex | baa2cc79 |
3131231353 has 4 divisors (see below), whose sum is σ = 3232238848. Its totient is φ = 3030223860.
The previous prime is 3131231347. The next prime is 3131231381. The reversal of 3131231353 is 3531321313.
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 a cyclic number.
It is not a de Polignac number, because 3131231353 - 225 = 3097676921 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3131231053) 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, 50503701 + ... + 50503762.
It is an arithmetic number, because the mean of its divisors is an integer number (808059712).
Almost surely, 23131231353 is an apocalyptic number.
It is an amenable number.
3131231353 is a deficient number, since it is larger than the sum of its proper divisors (101007495).
3131231353 is a wasteful number, since it uses less digits than its factorization.
3131231353 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101007494.
The product of its digits is 2430, while the sum is 25.
The square root of 3131231353 is about 55957.4065964462. The cubic root of 3131231353 is about 1462.9799885351.
Adding to 3131231353 its reverse (3531321313), we get a palindrome (6662552666).
The spelling of 3131231353 in words is "three billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred fifty-three".
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