Base | Representation |
---|---|
bin | 101101100011111110110… |
… | …000011110011110111010 |
3 | 102002022200111021200202102 |
4 | 231203332300132132322 |
5 | 402244302114441442 |
6 | 10354211041103402 |
7 | 442131232351610 |
oct | 55437660363672 |
9 | 12068614250672 |
10 | 3131010312122 |
11 | aa7943772300 |
12 | 426989027b62 |
13 | 199339b12554 |
14 | ab7826356b0 |
15 | 566a1124232 |
hex | 2d8fec1e7ba |
3131010312122 has 96 divisors (see below), whose sum is σ = 5967648390144. Its totient is φ = 1205865999360.
The previous prime is 3131010312109. The next prime is 3131010312127. The reversal of 3131010312122 is 2212130101313.
It is a happy number.
It is a super-2 number, since 2×31310103121222 (a number of 26 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3131010312094 and 3131010312103.
It is not an unprimeable number, because it can be changed into a prime (3131010312127) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144096023 + ... + 144117749.
It is an arithmetic number, because the mean of its divisors is an integer number (62163004064).
Almost surely, 23131010312122 is an apocalyptic number.
3131010312122 is a deficient number, since it is larger than the sum of its proper divisors (2836638078022).
3131010312122 is a wasteful number, since it uses less digits than its factorization.
3131010312122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22732 (or 22721 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 3131010312122 its reverse (2212130101313), we get a palindrome (5343140413435).
The spelling of 3131010312122 in words is "three trillion, one hundred thirty-one billion, ten million, three hundred twelve thousand, one hundred twenty-two".
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