Base | Representation |
---|---|
bin | 1110000110111000110110… |
… | …00100110000011110111001 |
3 | 11001211202210102100012212120 |
4 | 13003130123010300132321 |
5 | 13031240102232323001 |
6 | 145551434300031453 |
7 | 6351223635455241 |
oct | 703343304603671 |
9 | 131752712305776 |
10 | 31023003011001 |
11 | 9980866482641 |
12 | 3590570b32589 |
13 | 14405c22ac5b1 |
14 | 793742866b21 |
15 | 38bea5c47236 |
hex | 1c371b1307b9 |
31023003011001 has 16 divisors (see below), whose sum is σ = 41809248494400. Its totient is φ = 20460530271168.
The previous prime is 31023003010991. The next prime is 31023003011023. The reversal of 31023003011001 is 10011030032013.
It is not a de Polignac number, because 31023003011001 - 214 = 31023002994617 is a prime.
It is a super-2 number, since 2×310230030110012 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31023003011801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143704911 + ... + 143920628.
It is an arithmetic number, because the mean of its divisors is an integer number (2613078030900).
Almost surely, 231023003011001 is an apocalyptic number.
It is an amenable number.
31023003011001 is a deficient number, since it is larger than the sum of its proper divisors (10786245483399).
31023003011001 is a wasteful number, since it uses less digits than its factorization.
31023003011001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287625928.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 31023003011001 its reverse (10011030032013), we get a palindrome (41034033043014).
The spelling of 31023003011001 in words is "thirty-one trillion, twenty-three billion, three million, eleven thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •