Base | Representation |
---|---|
bin | 11100111110100000… |
… | …011010000110110001 |
3 | 2222022100110020010012 |
4 | 130332200122012301 |
5 | 1002210021012001 |
6 | 22143205144305 |
7 | 2151006665300 |
oct | 347640320661 |
9 | 88270406105 |
10 | 31113454001 |
11 | 12216808553 |
12 | 60439bb095 |
13 | 2c1ac76816 |
14 | 171228a437 |
15 | c2176b2bb |
hex | 73e81a1b1 |
31113454001 has 12 divisors (see below), whose sum is σ = 36963272448. Its totient is φ = 26101254312.
The previous prime is 31113453997. The next prime is 31113454039. The reversal of 31113454001 is 10045431113.
It is a happy number.
It is not a de Polignac number, because 31113454001 - 22 = 31113453997 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31113454201) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 6752681 + ... + 6757286.
It is an arithmetic number, because the mean of its divisors is an integer number (3080272704).
Almost surely, 231113454001 is an apocalyptic number.
It is an amenable number.
31113454001 is a deficient number, since it is larger than the sum of its proper divisors (5849818447).
31113454001 is a wasteful number, since it uses less digits than its factorization.
31113454001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13510028 (or 13510021 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 23.
Adding to 31113454001 its reverse (10045431113), we get a palindrome (41158885114).
The spelling of 31113454001 in words is "thirty-one billion, one hundred thirteen million, four hundred fifty-four thousand, one".
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