Base | Representation |
---|---|
bin | 11101001010011011… |
… | …001011011111100111 |
3 | 2222211021201001012210 |
4 | 131022123023133213 |
5 | 1003112213110043 |
6 | 22215111014503 |
7 | 2155655410410 |
oct | 351233133747 |
9 | 88737631183 |
10 | 31313410023 |
11 | 12309670465 |
12 | 609a96a433 |
13 | 2c50516aac |
14 | 1730a5a807 |
15 | c340b7633 |
hex | 74a6cb7e7 |
31313410023 has 16 divisors (see below), whose sum is σ = 49005286400. Its totient is φ = 17409771936.
The previous prime is 31313410013. The next prime is 31313410027. The reversal of 31313410023 is 32001431313.
It is not a de Polignac number, because 31313410023 - 210 = 31313408999 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31313410027) 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, 20149423 + ... + 20150976.
It is an arithmetic number, because the mean of its divisors is an integer number (3062830400).
Almost surely, 231313410023 is an apocalyptic number.
31313410023 is a deficient number, since it is larger than the sum of its proper divisors (17691876377).
31313410023 is a wasteful number, since it uses less digits than its factorization.
31313410023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40300446.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 31313410023 its reverse (32001431313), we get a palindrome (63314841336).
The spelling of 31313410023 in words is "thirty-one billion, three hundred thirteen million, four hundred ten thousand, twenty-three".
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