Base | Representation |
---|---|
bin | 11101010001100100… |
… | …001100100111000001 |
3 | 10000010122010201220222 |
4 | 131101210030213001 |
5 | 1003333400330101 |
6 | 22235030512425 |
7 | 2161641625331 |
oct | 352144144701 |
9 | 100118121828 |
10 | 31433214401 |
11 | 12370259246 |
12 | 6112b05715 |
13 | 2c6c2a2964 |
14 | 17429250c1 |
15 | c3e88001b |
hex | 75190c9c1 |
31433214401 has 4 divisors (see below), whose sum is σ = 32026293972. Its totient is φ = 30840134832.
The previous prime is 31433214343. The next prime is 31433214403. The reversal of 31433214401 is 10441233413.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 17977446400 + 13455768001 = 134080^2 + 115999^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31433214401 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (31433214403) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296539706 + ... + 296539811.
It is an arithmetic number, because the mean of its divisors is an integer number (8006573493).
Almost surely, 231433214401 is an apocalyptic number.
It is an amenable number.
31433214401 is a deficient number, since it is larger than the sum of its proper divisors (593079571).
31433214401 is an equidigital number, since it uses as much as digits as its factorization.
31433214401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 593079570.
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 31433214401 its reverse (10441233413), we get a palindrome (41874447814).
The spelling of 31433214401 in words is "thirty-one billion, four hundred thirty-three million, two hundred fourteen thousand, four hundred one".
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