Base | Representation |
---|---|
bin | 1011101010011111… |
… | …0101000001111001 |
3 | 22002012112102200010 |
4 | 2322213311001321 |
5 | 22403014044001 |
6 | 1234404132133 |
7 | 140406041430 |
oct | 27247650171 |
9 | 8065472603 |
10 | 3131003001 |
11 | 1367407995 |
12 | 734697049 |
13 | 3ab8916c9 |
14 | 219b88117 |
15 | 134d1e8d6 |
hex | ba9f5079 |
3131003001 has 32 divisors (see below), whose sum is σ = 4832593920. Its totient is φ = 1766134656.
The previous prime is 3131002993. The next prime is 3131003003. The reversal of 3131003001 is 1003001313.
It is not a de Polignac number, because 3131003001 - 23 = 3131002993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (3131003003) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1694260 + ... + 1696106.
It is an arithmetic number, because the mean of its divisors is an integer number (151018560).
Almost surely, 23131003001 is an apocalyptic number.
It is an amenable number.
3131003001 is a deficient number, since it is larger than the sum of its proper divisors (1701590919).
3131003001 is a wasteful number, since it uses less digits than its factorization.
3131003001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2853.
The product of its (nonzero) digits is 27, while the sum is 12.
The square root of 3131003001 is about 55955.3661501737. The cubic root of 3131003001 is about 1462.9444239823.
Adding to 3131003001 its reverse (1003001313), we get a palindrome (4134004314).
It can be divided in two parts, 313 and 1003001, that multiplied together give a palindrome (313939313).
The spelling of 3131003001 in words is "three billion, one hundred thirty-one million, three thousand, one".
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