Base | Representation |
---|---|
bin | 10011001101000011… |
… | …11100111100110111 |
3 | 222121112021220111010 |
4 | 21212201330330313 |
5 | 132103342023111 |
6 | 4423021243303 |
7 | 513331332513 |
oct | 114641747467 |
9 | 28545256433 |
10 | 10310111031 |
11 | 4410875020 |
12 | 1bb8a03533 |
13 | c8401851c |
14 | 6db409143 |
15 | 405217aa6 |
hex | 26687cf37 |
10310111031 has 32 divisors (see below), whose sum is σ = 15752355840. Its totient is φ = 5937228000.
The previous prime is 10310111027. The next prime is 10310111081. The reversal of 10310111031 is 13011101301.
It is not a de Polignac number, because 10310111031 - 22 = 10310111027 is a prime.
It is a super-2 number, since 2×103101110312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10310110998 and 10310111016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10310111081) 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, 69630 + ... + 159588.
It is an arithmetic number, because the mean of its divisors is an integer number (492261120).
Almost surely, 210310111031 is an apocalyptic number.
10310111031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
10310111031 is a deficient number, since it is larger than the sum of its proper divisors (5442244809).
10310111031 is a wasteful number, since it uses less digits than its factorization.
10310111031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90147.
The product of its (nonzero) digits is 9, while the sum is 12.
Adding to 10310111031 its reverse (13011101301), we get a palindrome (23321212332).
The spelling of 10310111031 in words is "ten billion, three hundred ten million, one hundred eleven thousand, thirty-one".
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