Base | Representation |
---|---|
bin | 111100100001111… |
… | …0001000000111011 |
3 | 12020112202000211121 |
4 | 1321003301000323 |
5 | 13124420432311 |
6 | 533312010111 |
7 | 101221321141 |
oct | 17103610073 |
9 | 5215660747 |
10 | 2031030331 |
11 | 952511170 |
12 | 488230937 |
13 | 264a202c5 |
14 | 153a55591 |
15 | bd491b71 |
hex | 790f103b |
2031030331 has 32 divisors (see below), whose sum is σ = 2312271360. Its totient is φ = 1768166400.
The previous prime is 2031030277. The next prime is 2031030347. The reversal of 2031030331 is 1330301302.
It is not a de Polignac number, because 2031030331 - 223 = 2022641723 is a prime.
It is a super-2 number, since 2×20310303312 = 8250168410883939122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2031030361) 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, 5753451 + ... + 5753803.
It is an arithmetic number, because the mean of its divisors is an integer number (72258480).
Almost surely, 22031030331 is an apocalyptic number.
2031030331 is a deficient number, since it is larger than the sum of its proper divisors (281241029).
2031030331 is a wasteful number, since it uses less digits than its factorization.
2031030331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 627.
The product of its (nonzero) digits is 162, while the sum is 16.
The square root of 2031030331 is about 45066.9538686608. The cubic root of 2031030331 is about 1266.4035998549.
Adding to 2031030331 its reverse (1330301302), we get a palindrome (3361331633).
The spelling of 2031030331 in words is "two billion, thirty-one million, thirty thousand, three hundred thirty-one".
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