Base | Representation |
---|---|
bin | 11101010001101000… |
… | …000101001001010001 |
3 | 10000010201001110100200 |
4 | 131101220011021101 |
5 | 1003334130414101 |
6 | 22235104405413 |
7 | 2161653365265 |
oct | 352150051121 |
9 | 100121043320 |
10 | 31434232401 |
11 | 12370894070 |
12 | 6113316869 |
13 | 2c6c56b120 |
14 | 1742b0c0a5 |
15 | c3e9d1986 |
hex | 751a05251 |
31434232401 has 48 divisors (see below), whose sum is σ = 53494826112. Its totient is φ = 17535513600.
The previous prime is 31434232399. The next prime is 31434232439. The reversal of 31434232401 is 10423243413.
31434232401 is a `hidden beast` number, since 314 + 342 + 3 + 2 + 4 + 0 + 1 = 666.
It is not a de Polignac number, because 31434232401 - 21 = 31434232399 is a prime.
It is a super-2 number, since 2×314342324012 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31434232451) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 419716 + ... + 488906.
It is an arithmetic number, because the mean of its divisors is an integer number (1114475544).
Almost surely, 231434232401 is an apocalyptic number.
It is an amenable number.
31434232401 is a deficient number, since it is larger than the sum of its proper divisors (22060593711).
31434232401 is a wasteful number, since it uses less digits than its factorization.
31434232401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69574 (or 69571 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 31434232401 its reverse (10423243413), we get a palindrome (41857475814).
The spelling of 31434232401 in words is "thirty-one billion, four hundred thirty-four million, two hundred thirty-two thousand, four hundred one".
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