Base | Representation |
---|---|
bin | 1110001100001000101011… |
… | …01111010100000111001010 |
3 | 11002111000011202221110102012 |
4 | 13012010111233110013022 |
5 | 13042213330321130442 |
6 | 150210333223535522 |
7 | 6400235625625613 |
oct | 706042557240712 |
9 | 132430152843365 |
10 | 31203302130122 |
11 | 9a40278647401 |
12 | 35bb4aa8ba5a2 |
13 | 14545c6ba39b5 |
14 | 79c368286c0a |
15 | 391a09838582 |
hex | 1c6115bd41ca |
31203302130122 has 8 divisors (see below), whose sum is σ = 46807222368096. Its totient is φ = 15600894674092.
The previous prime is 31203302130107. The next prime is 31203302130127. The reversal of 31203302130122 is 22103120330213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×312033021301222 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31203302130127) 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, 378143918 + ... + 378226425.
It is an arithmetic number, because the mean of its divisors is an integer number (5850902796012).
Almost surely, 231203302130122 is an apocalyptic number.
31203302130122 is a deficient number, since it is larger than the sum of its proper divisors (15603920237974).
31203302130122 is a wasteful number, since it uses less digits than its factorization.
31203302130122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 756390972.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 31203302130122 its reverse (22103120330213), we get a palindrome (53306422460335).
The spelling of 31203302130122 in words is "thirty-one trillion, two hundred three billion, three hundred two million, one hundred thirty thousand, one hundred twenty-two".
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