Base | Representation |
---|---|
bin | 111101000001010111… |
… | …1000101100001001011 |
3 | 110112020120101200001111 |
4 | 1322002233011201023 |
5 | 4121333323302311 |
6 | 140111113231151 |
7 | 12316232011243 |
oct | 1720257054113 |
9 | 415216350044 |
10 | 131042400331 |
11 | 50636022a07 |
12 | 21491a024b7 |
13 | c484b38c6b |
14 | 64b1ad2b23 |
15 | 361e61cd21 |
hex | 1e82bc584b |
131042400331 has 8 divisors (see below), whose sum is σ = 133321150928. Its totient is φ = 128767860000.
The previous prime is 131042400329. The next prime is 131042400367. The reversal of 131042400331 is 133004240131.
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 131042400331 - 21 = 131042400329 is a prime.
It is a super-2 number, since 2×1310424003312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131042400031) 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, 989745 + ... + 1114306.
It is an arithmetic number, because the mean of its divisors is an integer number (16665143866).
Almost surely, 2131042400331 is an apocalyptic number.
131042400331 is a deficient number, since it is larger than the sum of its proper divisors (2278750597).
131042400331 is a wasteful number, since it uses less digits than its factorization.
131042400331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2105133.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 131042400331 its reverse (133004240131), we get a palindrome (264046640462).
The spelling of 131042400331 in words is "one hundred thirty-one billion, forty-two million, four hundred thousand, three hundred thirty-one".
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