Base | Representation |
---|---|
bin | 1110001111010101011011… |
… | …11100111100100111000111 |
3 | 11002212111220211200000120020 |
4 | 13013222231330330213013 |
5 | 13101013443341214421 |
6 | 150333033240110223 |
7 | 6411210013405551 |
oct | 707525574744707 |
9 | 132774824600506 |
10 | 31313230023111 |
11 | 9a82959017443 |
12 | 3618869465373 |
13 | 1461a9547501a |
14 | 7a37d5a5a4d1 |
15 | 3947e043adc6 |
hex | 1c7aadf3c9c7 |
31313230023111 has 8 divisors (see below), whose sum is σ = 41960777251200. Its totient is φ = 20770584738552.
The previous prime is 31313230023107. The next prime is 31313230023133. The reversal of 31313230023111 is 11132003231313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31313230023111 - 22 = 31313230023107 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31313230023011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26225485185 + ... + 26225486378.
It is an arithmetic number, because the mean of its divisors is an integer number (5245097156400).
Almost surely, 231313230023111 is an apocalyptic number.
31313230023111 is a deficient number, since it is larger than the sum of its proper divisors (10647547228089).
31313230023111 is a wasteful number, since it uses less digits than its factorization.
31313230023111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52450971765.
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 31313230023111 its reverse (11132003231313), we get a palindrome (42445233254424).
The spelling of 31313230023111 in words is "thirty-one trillion, three hundred thirteen billion, two hundred thirty million, twenty-three thousand, one hundred eleven".
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