Base | Representation |
---|---|
bin | 10001111010011111101… |
… | …100111011000101001011 |
3 | 11100200112021221111121100 |
4 | 101322133230323011023 |
5 | 130132132220002311 |
6 | 2341310523312443 |
7 | 154640214231561 |
oct | 21723754730513 |
9 | 4320467844540 |
10 | 1231040000331 |
11 | 435098a94829 |
12 | 17a70097b723 |
13 | 8c1182839cb |
14 | 43822b33a31 |
15 | 2204ec97a56 |
hex | 11e9fb3b14b |
1231040000331 has 12 divisors (see below), whose sum is σ = 1819521654808. Its totient is φ = 801607441824.
The previous prime is 1231040000303. The next prime is 1231040000353. The reversal of 1231040000331 is 1330000401321.
1231040000331 is a `hidden beast` number, since 1 + 231 + 0 + 400 + 0 + 0 + 3 + 31 = 666.
It is not a de Polignac number, because 1231040000331 - 25 = 1231040000299 is a prime.
It is a super-2 number, since 2×12310400003312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1231040005331) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1590490570 + ... + 1590491343.
Almost surely, 21231040000331 is an apocalyptic number.
1231040000331 is a deficient number, since it is larger than the sum of its proper divisors (588481654477).
1231040000331 is a wasteful number, since it uses less digits than its factorization.
1231040000331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3180981962 (or 3180981959 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 1231040000331 its reverse (1330000401321), we get a palindrome (2561040401652).
The spelling of 1231040000331 in words is "one trillion, two hundred thirty-one billion, forty million, three hundred thirty-one", and thus it is an aban number.
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