Base | Representation |
---|---|
bin | 111101000110011111… |
… | …0000100011101101011 |
3 | 110112200112110221011202 |
4 | 1322030332010131223 |
5 | 4122211302202311 |
6 | 140140125314415 |
7 | 12323415310316 |
oct | 1721476043553 |
9 | 415615427152 |
10 | 131214100331 |
11 | 50713a36736 |
12 | 2151b405a0b |
13 | c4b1594cb2 |
14 | 64ca82997d |
15 | 362e736e3b |
hex | 1e8cf8476b |
131214100331 has 4 divisors (see below), whose sum is σ = 131880161952. Its totient is φ = 130548038712.
The previous prime is 131214100307. The next prime is 131214100333. The reversal of 131214100331 is 133001412131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131214100331 - 26 = 131214100267 is a prime.
It is a super-2 number, since 2×1312141003312 (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 (131214100333) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333030515 + ... + 333030908.
It is an arithmetic number, because the mean of its divisors is an integer number (32970040488).
Almost surely, 2131214100331 is an apocalyptic number.
131214100331 is a deficient number, since it is larger than the sum of its proper divisors (666061621).
131214100331 is an equidigital number, since it uses as much as digits as its factorization.
131214100331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 666061620.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 131214100331 its reverse (133001412131), we get a palindrome (264215512462).
The spelling of 131214100331 in words is "one hundred thirty-one billion, two hundred fourteen million, one hundred thousand, three hundred thirty-one".
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