Base | Representation |
---|---|
bin | 1100000100111… |
… | …01111111011111 |
3 | 21001122002210012 |
4 | 12002131333133 |
5 | 201413413211 |
6 | 14015233435 |
7 | 2340060455 |
oct | 602357737 |
9 | 231562705 |
10 | 101310431 |
11 | 52207032 |
12 | 29b1887b |
13 | 17cb2101 |
14 | d6529d5 |
15 | 8d62d8b |
hex | 609dfdf |
101310431 has 2 divisors, whose sum is σ = 101310432. Its totient is φ = 101310430.
The previous prime is 101310421. The next prime is 101310439. The reversal of 101310431 is 134013101.
It is a strong prime.
It is an emirp because it is prime and its reverse (134013101) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 101310431 - 210 = 101309407 is a prime.
It is a super-2 number, since 2×1013104312 = 20527606858811522, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (101310439) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50655215 + 50655216.
It is an arithmetic number, because the mean of its divisors is an integer number (50655216).
Almost surely, 2101310431 is an apocalyptic number.
101310431 is a deficient number, since it is larger than the sum of its proper divisors (1).
101310431 is an equidigital number, since it uses as much as digits as its factorization.
101310431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 101310431 is about 10065.3082913540. The cubic root of 101310431 is about 466.1775849412.
Adding to 101310431 its reverse (134013101), we get a palindrome (235323532).
The spelling of 101310431 in words is "one hundred one million, three hundred ten thousand, four hundred thirty-one".
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