Base | Representation |
---|---|
bin | 1110001101000010010000… |
… | …10010101011000101010100 |
3 | 11002120221222011000112112112 |
4 | 13012201020102223011110 |
5 | 13043220133021443444 |
6 | 150232444510410152 |
7 | 6402411652144460 |
oct | 706411022530524 |
9 | 132527864015475 |
10 | 31234215031124 |
11 | 9a523a1124476 |
12 | 3605497500958 |
13 | 14574b242b5b1 |
14 | 79da5ba494a0 |
15 | 39271868b69e |
hex | 1c68484ab154 |
31234215031124 has 48 divisors (see below), whose sum is σ = 63658057655808. Its totient is φ = 13131259085568.
The previous prime is 31234215031079. The next prime is 31234215031127. The reversal of 31234215031124 is 42113051243213.
It is a happy number.
It is a super-2 number, since 2×312342150311242 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31234215031127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6805352 + ... + 10429824.
It is an arithmetic number, because the mean of its divisors is an integer number (1326209534496).
Almost surely, 231234215031124 is an apocalyptic number.
It is an amenable number.
31234215031124 is an abundant number, since it is smaller than the sum of its proper divisors (32423842624684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31234215031124 is a wasteful number, since it uses less digits than its factorization.
31234215031124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3630344 (or 3630342 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 32.
Adding to 31234215031124 its reverse (42113051243213), we get a palindrome (73347266274337).
The spelling of 31234215031124 in words is "thirty-one trillion, two hundred thirty-four billion, two hundred fifteen million, thirty-one thousand, one hundred twenty-four".
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