Base | Representation |
---|---|
bin | 1110001100010111110100… |
… | …11011111111010101011010 |
3 | 11002111210011111111222001010 |
4 | 13012023322123333111122 |
5 | 13042332004101422132 |
6 | 150214200154234350 |
7 | 6400644300534162 |
oct | 706137233772532 |
9 | 132453144458033 |
10 | 31211434014042 |
11 | 9a43770903127 |
12 | 3600b9a1259b6 |
13 | 14552c1841c29 |
14 | 79c8da2815a2 |
15 | 391d336d56cc |
hex | 1c62fa6ff55a |
31211434014042 has 8 divisors (see below), whose sum is σ = 62422868028096. Its totient is φ = 10403811338012.
The previous prime is 31211434014001. The next prime is 31211434014043. The reversal of 31211434014042 is 24041043411213.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
31211434014042 is an admirable number.
It is a super-2 number, since 2×312114340140422 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31211434014043) 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, 2600952834498 + ... + 2600952834509.
It is an arithmetic number, because the mean of its divisors is an integer number (7802858503512).
Almost surely, 231211434014042 is an apocalyptic number.
31211434014042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31211434014042 is a wasteful number, since it uses less digits than its factorization.
31211434014042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5201905669012.
The product of its (nonzero) digits is 9216, while the sum is 30.
Adding to 31211434014042 its reverse (24041043411213), we get a palindrome (55252477425255).
The spelling of 31211434014042 in words is "thirty-one trillion, two hundred eleven billion, four hundred thirty-four million, fourteen thousand, forty-two".
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