Base | Representation |
---|---|
bin | 11101001111101010… |
… | …111101110011011101 |
3 | 10000001102100010212102 |
4 | 131033222331303131 |
5 | 1003302231344313 |
6 | 22231533414445 |
7 | 2161104534143 |
oct | 351752756335 |
9 | 100042303772 |
10 | 31401434333 |
11 | 12354322425 |
12 | 610433a425 |
13 | 2c65826699 |
14 | 173c611593 |
15 | c3bba3a58 |
hex | 74fabdcdd |
31401434333 has 8 divisors (see below), whose sum is σ = 31851501696. Its totient is φ = 30951583600.
The previous prime is 31401434327. The next prime is 31401434371. The reversal of 31401434333 is 33343410413.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31401434333 - 226 = 31334325469 is a prime.
It is a super-2 number, since 2×314014343332 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31401434296 and 31401434305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31401434303) 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, 249968 + ... + 353958.
It is an arithmetic number, because the mean of its divisors is an integer number (3981437712).
Almost surely, 231401434333 is an apocalyptic number.
It is an amenable number.
31401434333 is a deficient number, since it is larger than the sum of its proper divisors (450067363).
31401434333 is a wasteful number, since it uses less digits than its factorization.
31401434333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108315.
The product of its (nonzero) digits is 15552, while the sum is 29.
Adding to 31401434333 its reverse (33343410413), we get a palindrome (64744844746).
The spelling of 31401434333 in words is "thirty-one billion, four hundred one million, four hundred thirty-four thousand, three hundred thirty-three".
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