Base | Representation |
---|---|
bin | 11100111101110001… |
… | …011001100100000010 |
3 | 2222021111021011011010 |
4 | 130331301121210002 |
5 | 1002143342143020 |
6 | 22142045101350 |
7 | 2150500152225 |
oct | 347561314402 |
9 | 88244234133 |
10 | 31101131010 |
11 | 1220a861064 |
12 | 603b857856 |
13 | 2c18550801 |
14 | 171079d5bc |
15 | c20634de0 |
hex | 73dc59902 |
31101131010 has 16 divisors (see below), whose sum is σ = 74642714496. Its totient is φ = 8293634928.
The previous prime is 31101131003. The next prime is 31101131023. The reversal of 31101131010 is 1013110113.
It is a Curzon number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 518352154 + ... + 518352213.
It is an arithmetic number, because the mean of its divisors is an integer number (4665169656).
Almost surely, 231101131010 is an apocalyptic number.
31101131010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31101131010 is an abundant number, since it is smaller than the sum of its proper divisors (43541583486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31101131010 is a wasteful number, since it uses less digits than its factorization.
31101131010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1036704377.
The product of its (nonzero) digits is 9, while the sum is 12.
Adding to 31101131010 its reverse (1013110113), we get a palindrome (32114241123).
The spelling of 31101131010 in words is "thirty-one billion, one hundred one million, one hundred thirty-one thousand, ten".
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