Base | Representation |
---|---|
bin | 11101001001110100… |
… | …101110110100011111 |
3 | 2222210120201222112110 |
4 | 131021310232310133 |
5 | 1003102123043403 |
6 | 22214111005103 |
7 | 2155503631662 |
oct | 351164566437 |
9 | 88716658473 |
10 | 31303331103 |
11 | 12303a06a80 |
12 | 6097509793 |
13 | 2c4b3c8335 |
14 | 172d5956d9 |
15 | c33276103 |
hex | 749d2ed1f |
31303331103 has 8 divisors (see below), whose sum is σ = 45532118016. Its totient is φ = 18971715800.
The previous prime is 31303331057. The next prime is 31303331141. The reversal of 31303331103 is 30113330313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31303331103 - 220 = 31302282527 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31303331103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31303331173) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474292863 + ... + 474292928.
It is an arithmetic number, because the mean of its divisors is an integer number (5691514752).
Almost surely, 231303331103 is an apocalyptic number.
31303331103 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
31303331103 is a deficient number, since it is larger than the sum of its proper divisors (14228786913).
31303331103 is a wasteful number, since it uses less digits than its factorization.
31303331103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 948585805.
The product of its (nonzero) digits is 729, while the sum is 21.
Adding to 31303331103 its reverse (30113330313), we get a palindrome (61416661416).
The spelling of 31303331103 in words is "thirty-one billion, three hundred three million, three hundred thirty-one thousand, one hundred three".
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