Base | Representation |
---|---|
bin | 101111000010111101… |
… | …1111001110111000111 |
3 | 100122210001020212201221 |
4 | 1132011323321313013 |
5 | 3123403004233111 |
6 | 114225123501211 |
7 | 10204436026234 |
oct | 1360573716707 |
9 | 318701225657 |
10 | 101031321031 |
11 | 39935601933 |
12 | 176b7227807 |
13 | 96b1394c84 |
14 | 4c6600278b |
15 | 2964a56371 |
hex | 1785ef9dc7 |
101031321031 has 8 divisors (see below), whose sum is σ = 107289900720. Its totient is φ = 94866855552.
The previous prime is 101031321007. The next prime is 101031321037. The reversal of 101031321031 is 130123130101.
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 101031321031 - 219 = 101030796743 is a prime.
It is a super-2 number, since 2×1010313210312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 101031320996 and 101031321014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101031321037) 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, 23526340 + ... + 23530633.
It is an arithmetic number, because the mean of its divisors is an integer number (13411237590).
Almost surely, 2101031321031 is an apocalyptic number.
101031321031 is a deficient number, since it is larger than the sum of its proper divisors (6258579689).
101031321031 is a wasteful number, since it uses less digits than its factorization.
101031321031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47057105.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 101031321031 its reverse (130123130101), we get a palindrome (231154451132).
The spelling of 101031321031 in words is "one hundred one billion, thirty-one million, three hundred twenty-one thousand, thirty-one".
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