Base | Representation |
---|---|
bin | 11100111101101110… |
… | …001111001011000111 |
3 | 2222021102201000222220 |
4 | 130331232033023013 |
5 | 1002143134131043 |
6 | 22142015223423 |
7 | 2150460130320 |
oct | 347556171307 |
9 | 88242630886 |
10 | 31100302023 |
11 | 1220a34524a |
12 | 603b517b73 |
13 | 2c1832039b |
14 | 1710625447 |
15 | c2051e483 |
hex | 73db8f2c7 |
31100302023 has 16 divisors (see below), whose sum is σ = 47414566656. Its totient is φ = 17762739840.
The previous prime is 31100302021. The next prime is 31100302067. The reversal of 31100302023 is 32020300113.
It is not a de Polignac number, because 31100302023 - 21 = 31100302021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31100301993 and 31100302011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31100302021) 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, 325986 + ... + 410447.
It is an arithmetic number, because the mean of its divisors is an integer number (2963410416).
Almost surely, 231100302023 is an apocalyptic number.
31100302023 is a deficient number, since it is larger than the sum of its proper divisors (16314264633).
31100302023 is a wasteful number, since it uses less digits than its factorization.
31100302023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 738454.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 31100302023 its reverse (32020300113), we get a palindrome (63120602136).
The spelling of 31100302023 in words is "thirty-one billion, one hundred million, three hundred two thousand, twenty-three".
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