Base | Representation |
---|---|
bin | 11100111000011101… |
… | …011001001001001101 |
3 | 2222001021112211211221 |
4 | 130320131121021031 |
5 | 1002003033002313 |
6 | 22125142443341 |
7 | 2145335440066 |
oct | 347035311115 |
9 | 88037484757 |
10 | 31012000333 |
11 | 12174513946 |
12 | 6015a33551 |
13 | 2c02c44472 |
14 | 17029db56d |
15 | c178cac8d |
hex | 73875924d |
31012000333 has 4 divisors (see below), whose sum is σ = 31256189440. Its totient is φ = 30767811228.
The previous prime is 31012000289. The next prime is 31012000381. The reversal of 31012000333 is 33300021013.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 31012000333 - 233 = 22422065741 is a prime.
It is a super-2 number, since 2×310120003332 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31012001333) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122094363 + ... + 122094616.
It is an arithmetic number, because the mean of its divisors is an integer number (7814047360).
Almost surely, 231012000333 is an apocalyptic number.
It is an amenable number.
31012000333 is a deficient number, since it is larger than the sum of its proper divisors (244189107).
31012000333 is a wasteful number, since it uses less digits than its factorization.
31012000333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244189106.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 31012000333 its reverse (33300021013), we get a palindrome (64312021346).
The spelling of 31012000333 in words is "thirty-one billion, twelve million, three hundred thirty-three", and thus it is an aban number.
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