Base | Representation |
---|---|
bin | 11101001010011010… |
… | …001010011001110110 |
3 | 2222211021012111111101 |
4 | 131022122022121312 |
5 | 1003112131042124 |
6 | 22215101200314 |
7 | 2155653220210 |
oct | 351232123166 |
9 | 88737174441 |
10 | 31313143414 |
11 | 123094a9123 |
12 | 609a86009a |
13 | 2c50452637 |
14 | 17309cb5b0 |
15 | c34063644 |
hex | 74a68a676 |
31313143414 has 32 divisors (see below), whose sum is σ = 57945093120. Its totient is φ = 12393804192.
The previous prime is 31313143373. The next prime is 31313143427. The reversal of 31313143414 is 41434131313.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667314 + ... + 1685989.
It is an arithmetic number, because the mean of its divisors is an integer number (1810784160).
Almost surely, 231313143414 is an apocalyptic number.
31313143414 is a deficient number, since it is larger than the sum of its proper divisors (26631949706).
31313143414 is a wasteful number, since it uses less digits than its factorization.
31313143414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3353364.
The product of its digits is 5184, while the sum is 28.
Adding to 31313143414 its reverse (41434131313), we get a palindrome (72747274727).
The spelling of 31313143414 in words is "thirty-one billion, three hundred thirteen million, one hundred forty-three thousand, four hundred fourteen".
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