Base | Representation |
---|---|
bin | 11100111001100011… |
… | …001111100001011001 |
3 | 2222002120000010100211 |
4 | 130321203033201121 |
5 | 1002022224423001 |
6 | 22131035131121 |
7 | 2145650202004 |
oct | 347143174131 |
9 | 88076003324 |
10 | 31030311001 |
11 | 1218388aa28 |
12 | 601bba3aa1 |
13 | 2c06985991 |
14 | 170520653b |
15 | c192e6351 |
hex | 7398cf859 |
31030311001 has 8 divisors (see below), whose sum is σ = 31892388480. Its totient is φ = 30176644368.
The previous prime is 31030310929. The next prime is 31030311007. The reversal of 31030311001 is 10011303013.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31030311001 - 225 = 30996756569 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31030311007) 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 7 ways as a sum of consecutive naturals, for example, 2095231 + ... + 2109988.
It is an arithmetic number, because the mean of its divisors is an integer number (3986548560).
Almost surely, 231030311001 is an apocalyptic number.
It is an amenable number.
31030311001 is a deficient number, since it is larger than the sum of its proper divisors (862077479).
31030311001 is a wasteful number, since it uses less digits than its factorization.
31030311001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4205423.
The product of its (nonzero) digits is 27, while the sum is 13.
Adding to 31030311001 its reverse (10011303013), we get a palindrome (41041614014).
The spelling of 31030311001 in words is "thirty-one billion, thirty million, three hundred eleven thousand, one".
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