Base | Representation |
---|---|
bin | 11101010001100011… |
… | …100010100100011001 |
3 | 10000010121210222201012 |
4 | 131101203202210121 |
5 | 1003333324322301 |
6 | 22235023103305 |
7 | 2161640310311 |
oct | 352143424431 |
9 | 100117728635 |
10 | 31433042201 |
11 | 12370150930 |
12 | 6112a41b35 |
13 | 2c6c242472 |
14 | 17428bc441 |
15 | c3e848ebb |
hex | 7518e2919 |
31433042201 has 16 divisors (see below), whose sum is σ = 34767477888. Its totient is φ = 28180396800.
The previous prime is 31433042191. The next prime is 31433042209. The reversal of 31433042201 is 10224033413.
It is a cyclic number.
It is not a de Polignac number, because 31433042201 - 214 = 31433025817 is a prime.
It is a super-2 number, since 2×314330422012 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31433042209) 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, 215495 + ... + 330611.
It is an arithmetic number, because the mean of its divisors is an integer number (2172967368).
Almost surely, 231433042201 is an apocalyptic number.
It is an amenable number.
31433042201 is a deficient number, since it is larger than the sum of its proper divisors (3334435687).
31433042201 is a wasteful number, since it uses less digits than its factorization.
31433042201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115472.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 31433042201 its reverse (10224033413), we get a palindrome (41657075614).
The spelling of 31433042201 in words is "thirty-one billion, four hundred thirty-three million, forty-two thousand, two hundred one".
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