Base | Representation |
---|---|
bin | 1110001101001101101010… |
… | …00010110000010100110010 |
3 | 11002121112202121221220111022 |
4 | 13012212311002300110302 |
5 | 13043320201120322010 |
6 | 150235340033015442 |
7 | 6403016420136440 |
oct | 706466502602462 |
9 | 132545677856438 |
10 | 31240334542130 |
11 | 9a54a5146268a |
12 | 36067049b4582 |
13 | 1457c491ac81c |
14 | 7a007c687b90 |
15 | 392975a2ed55 |
hex | 1c69b50b0532 |
31240334542130 has 16 divisors (see below), whose sum is σ = 64265831058240. Its totient is φ = 10710971842992.
The previous prime is 31240334542127. The next prime is 31240334542159. The reversal of 31240334542130 is 3124543304213.
It is a super-3 number, since 3×312403345421303 (a number of 41 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223145246660 + ... + 223145246799.
It is an arithmetic number, because the mean of its divisors is an integer number (4016614441140).
Almost surely, 231240334542130 is an apocalyptic number.
31240334542130 is an abundant number, since it is smaller than the sum of its proper divisors (33025496516110).
31240334542130 is a wasteful number, since it uses less digits than its factorization.
31240334542130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 446290493473.
The product of its (nonzero) digits is 103680, while the sum is 35.
Adding to 31240334542130 its reverse (3124543304213), we get a palindrome (34364877846343).
The spelling of 31240334542130 in words is "thirty-one trillion, two hundred forty billion, three hundred thirty-four million, five hundred forty-two thousand, one hundred thirty".
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