Base | Representation |
---|---|
bin | 11101001010010011… |
… | …001000101100111010 |
3 | 2222211010201220202220 |
4 | 131022103020230322 |
5 | 1003111143121214 |
6 | 22214553504510 |
7 | 2155631446050 |
oct | 351223105472 |
9 | 88733656686 |
10 | 31311301434 |
11 | 12308460226 |
12 | 609a112136 |
13 | 2c4cc590ca |
14 | 173066c1d0 |
15 | c33cec9a9 |
hex | 74a4c8b3a |
31311301434 has 32 divisors (see below), whose sum is σ = 72306519936. Its totient is φ = 8853857280.
The previous prime is 31311301381. The next prime is 31311301451. The reversal of 31311301434 is 43410311313.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3838747 + ... + 3846894.
It is an arithmetic number, because the mean of its divisors is an integer number (2259578748).
Almost surely, 231311301434 is an apocalyptic number.
31311301434 is an abundant number, since it is smaller than the sum of its proper divisors (40995218502).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31311301434 is a wasteful number, since it uses less digits than its factorization.
31311301434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7685750.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 31311301434 its reverse (43410311313), we get a palindrome (74721612747).
The spelling of 31311301434 in words is "thirty-one billion, three hundred eleven million, three hundred one thousand, four hundred thirty-four".
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