Base | Representation |
---|---|
bin | 1110001111110101101011… |
… | …10010101100011111000011 |
3 | 11002221011121022010020011201 |
4 | 13013322311302230133003 |
5 | 13101304422101010111 |
6 | 150345015123322031 |
7 | 6412362011025031 |
oct | 707726562543703 |
9 | 132834538106151 |
10 | 31330541422531 |
11 | 9a8a23193600a |
12 | 362009ab20317 |
13 | 14635c3b27a30 |
14 | 7a4598c39551 |
15 | 394ea51246c1 |
hex | 1c7eb5cac7c3 |
31330541422531 has 8 divisors (see below), whose sum is σ = 34563524121504. Its totient is φ = 28215121730880.
The previous prime is 31330541422511. The next prime is 31330541422559. The reversal of 31330541422531 is 13522414503313.
It is a happy number.
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 31330541422531 - 217 = 31330541291459 is a prime.
It is a super-2 number, since 2×313305414225312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31330541422511) 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, 29390751271 + ... + 29390752336.
It is an arithmetic number, because the mean of its divisors is an integer number (4320440515188).
Almost surely, 231330541422531 is an apocalyptic number.
31330541422531 is a deficient number, since it is larger than the sum of its proper divisors (3232982698973).
31330541422531 is a wasteful number, since it uses less digits than its factorization.
31330541422531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58781503661.
The product of its (nonzero) digits is 129600, while the sum is 37.
Adding to 31330541422531 its reverse (13522414503313), we get a palindrome (44852955925844).
The spelling of 31330541422531 in words is "thirty-one trillion, three hundred thirty billion, five hundred forty-one million, four hundred twenty-two thousand, five hundred thirty-one".
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