Base | Representation |
---|---|
bin | 1011101010100001… |
… | …0111100010011111 |
3 | 22002012210121120022 |
4 | 2322220113202133 |
5 | 22403033104401 |
6 | 1234411142355 |
7 | 140410200506 |
oct | 27250274237 |
9 | 8065717508 |
10 | 3131144351 |
11 | 13674a4105 |
12 | 7347449bb |
13 | 3ab910b4a |
14 | 219bc383d |
15 | 134d4b71b |
hex | baa1789f |
3131144351 has 8 divisors (see below), whose sum is σ = 3219334464. Its totient is φ = 3043141920.
The previous prime is 3131144339. The next prime is 3131144369. The reversal of 3131144351 is 1534411313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3131144351 is a prime.
It is a super-2 number, since 2×31311443512 = 19608129893598422402, which contains 22 as substring.
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 3131144351.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3131144321) 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, 12740 + ... + 80153.
It is an arithmetic number, because the mean of its divisors is an integer number (402416808).
Almost surely, 23131144351 is an apocalyptic number.
3131144351 is a deficient number, since it is larger than the sum of its proper divisors (88190113).
3131144351 is an equidigital number, since it uses as much as digits as its factorization.
3131144351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93841.
The product of its digits is 2160, while the sum is 26.
The square root of 3131144351 is about 55956.6291961909. The cubic root of 3131144351 is about 1462.9664386618.
Adding to 3131144351 its reverse (1534411313), we get a palindrome (4665555664).
The spelling of 3131144351 in words is "three billion, one hundred thirty-one million, one hundred forty-four thousand, three hundred fifty-one".
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