Base | Representation |
---|---|
bin | 110000000100100001… |
… | …1011001110001001111 |
3 | 100212110100112022222022 |
4 | 1200021003121301033 |
5 | 3142404130231111 |
6 | 115231304440355 |
7 | 10313106614021 |
oct | 1401103316117 |
9 | 325410468868 |
10 | 103231102031 |
11 | 3a8642a1962 |
12 | 1800ba790bb |
13 | 997204aa35 |
14 | 4dd4224011 |
15 | 2a42c2d2db |
hex | 18090d9c4f |
103231102031 has 8 divisors (see below), whose sum is σ = 103459994928. Its totient is φ = 103002328000.
The previous prime is 103231102003. The next prime is 103231102033. The reversal of 103231102031 is 130201132301.
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 103231102031 - 210 = 103231101007 is a prime.
It is a super-2 number, since 2×1032311020312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103231102033) 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, 1838036 + ... + 1893366.
It is an arithmetic number, because the mean of its divisors is an integer number (12932499366).
Almost surely, 2103231102031 is an apocalyptic number.
103231102031 is a deficient number, since it is larger than the sum of its proper divisors (228892897).
103231102031 is an equidigital number, since it uses as much as digits as its factorization.
103231102031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59433.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 103231102031 its reverse (130201132301), we get a palindrome (233432234332).
The spelling of 103231102031 in words is "one hundred three billion, two hundred thirty-one million, one hundred two thousand, thirty-one".
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