Base | Representation |
---|---|
bin | 11101110100000110000001… |
… | …100011011010000101011011 |
3 | 122012021020222100122112120201 |
4 | 131310012001203122011123 |
5 | 114141310333402403311 |
6 | 1142513102541403031 |
7 | 36422224610211256 |
oct | 3564060143320533 |
9 | 565236870575521 |
10 | 131123230122331 |
11 | 38864060034a27 |
12 | 12858688569477 |
13 | 5821b37cc2475 |
14 | 245458093809d |
15 | 1025c396639c1 |
hex | 7741818da15b |
131123230122331 has 8 divisors (see below), whose sum is σ = 132970237926624. Its totient is φ = 129276227922240.
The previous prime is 131123230122281. The next prime is 131123230122359. The reversal of 131123230122331 is 133221032321131.
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 131123230122331 - 235 = 131088870383963 is a prime.
It is a super-2 number, since 2×1311232301223312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131123230122331.
It is not an unprimeable number, because it can be changed into a prime (131123230122431) 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, 74415655 + ... + 76157311.
It is an arithmetic number, because the mean of its divisors is an integer number (16621279740828).
Almost surely, 2131123230122331 is an apocalyptic number.
131123230122331 is a deficient number, since it is larger than the sum of its proper divisors (1847007804293).
131123230122331 is a wasteful number, since it uses less digits than its factorization.
131123230122331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2802101.
The product of its (nonzero) digits is 3888, while the sum is 28.
Adding to 131123230122331 its reverse (133221032321131), we get a palindrome (264344262443462).
The spelling of 131123230122331 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, two hundred thirty million, one hundred twenty-two thousand, three hundred thirty-one".
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