Base | Representation |
---|---|
bin | 100011001111110001011110… |
… | …1100101100000100101110111 |
3 | 1111122201200110102100121100020 |
4 | 1012133202331211200211313 |
5 | 311114022143101133421 |
6 | 3015214153210420223 |
7 | 122206002451015020 |
oct | 10637427545404567 |
9 | 1448650412317306 |
10 | 310031100021111 |
11 | 8a8704a6516727 |
12 | 2a932130131673 |
13 | 103cba657b28a1 |
14 | 567b82a115c47 |
15 | 25c9948c67dc6 |
hex | 119f8bd960977 |
310031100021111 has 16 divisors (see below), whose sum is σ = 472428775392000. Its totient is φ = 177160466395008.
The previous prime is 310031100021053. The next prime is 310031100021113. The reversal of 310031100021111 is 111120001130013.
It is not a de Polignac number, because 310031100021111 - 214 = 310031100004727 is a prime.
It is a super-2 number, since 2×3100311000211112 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (310031100021113) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19012240 + ... + 31329338.
It is an arithmetic number, because the mean of its divisors is an integer number (29526798462000).
Almost surely, 2310031100021111 is an apocalyptic number.
310031100021111 is a deficient number, since it is larger than the sum of its proper divisors (162397675370889).
310031100021111 is a wasteful number, since it uses less digits than its factorization.
310031100021111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13515718.
The product of its (nonzero) digits is 18, while the sum is 15.
Adding to 310031100021111 its reverse (111120001130013), we get a palindrome (421151101151124).
The spelling of 310031100021111 in words is "three hundred ten trillion, thirty-one billion, one hundred million, twenty-one thousand, one hundred eleven".
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