Base | Representation |
---|---|
bin | 11100111001000100… |
… | …101110011001011001 |
3 | 2222001222221200102112 |
4 | 130321010232121121 |
5 | 1002013202423001 |
6 | 22130151442105 |
7 | 2145522202253 |
oct | 347104563131 |
9 | 88058850375 |
10 | 31022311001 |
11 | 1217a316460 |
12 | 6019386335 |
13 | 2c05114556 |
14 | 1704122cd3 |
15 | c18765cbb |
hex | 73912e659 |
31022311001 has 8 divisors (see below), whose sum is σ = 33991609824. Its totient is φ = 28077860320.
The previous prime is 31022310997. The next prime is 31022311039. The reversal of 31022311001 is 10011322013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31022311001 - 22 = 31022310997 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31022311091) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6209420 + ... + 6214413.
It is an arithmetic number, because the mean of its divisors is an integer number (4248951228).
Almost surely, 231022311001 is an apocalyptic number.
It is an amenable number.
31022311001 is a deficient number, since it is larger than the sum of its proper divisors (2969298823).
31022311001 is a wasteful number, since it uses less digits than its factorization.
31022311001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12424071.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 31022311001 its reverse (10011322013), we get a palindrome (41033633014).
The spelling of 31022311001 in words is "thirty-one billion, twenty-two million, three hundred eleven thousand, one".
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