Base | Representation |
---|---|
bin | 10111011110001101010111… |
… | …110100000101001110001111 |
3 | 111112111210021201212000011111 |
4 | 113132031113310011032033 |
5 | 102012314103112330111 |
6 | 1003315401120032451 |
7 | 30513123501021220 |
oct | 2736152764051617 |
9 | 445453251760144 |
10 | 103231012230031 |
11 | 2a9900321a4524 |
12 | b6b2a41162727 |
13 | 457a847c89b8a |
14 | 1b6c59c847247 |
15 | be041edaba21 |
hex | 5de357d0538f |
103231012230031 has 4 divisors (see below), whose sum is σ = 117978299691472. Its totient is φ = 88483724768592.
The previous prime is 103231012229959. The next prime is 103231012230089. The reversal of 103231012230031 is 130032210132301.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 103231012230031 - 225 = 103230978675599 is a prime.
It is a super-2 number, since 2×1032310122300312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 103231012229984 and 103231012230011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103231012230131) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7373643730710 + ... + 7373643730723.
It is an arithmetic number, because the mean of its divisors is an integer number (29494574922868).
Almost surely, 2103231012230031 is an apocalyptic number.
103231012230031 is a deficient number, since it is larger than the sum of its proper divisors (14747287461441).
103231012230031 is an equidigital number, since it uses as much as digits as its factorization.
103231012230031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14747287461440.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 103231012230031 its reverse (130032210132301), we get a palindrome (233263222362332).
The spelling of 103231012230031 in words is "one hundred three trillion, two hundred thirty-one billion, twelve million, two hundred thirty thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •