Base | Representation |
---|---|
bin | 1001000100000101011… |
… | …11011110101110101110 |
3 | 1002202212011121121012102 |
4 | 10202002233132232232 |
5 | 20100302332130110 |
6 | 355023001535102 |
7 | 31333360633136 |
oct | 4420257365656 |
9 | 1082764547172 |
10 | 311431130030 |
11 | 1100938324a9 |
12 | 504357a4492 |
13 | 234a2176c87 |
14 | 1110539bac6 |
15 | 817b0105a5 |
hex | 4882bdebae |
311431130030 has 8 divisors (see below), whose sum is σ = 560576034072. Its totient is φ = 124572452008.
The previous prime is 311431130009. The next prime is 311431130069. The reversal of 311431130030 is 30031134113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 311431129984 and 311431130011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15571556492 + ... + 15571556511.
It is an arithmetic number, because the mean of its divisors is an integer number (70072004259).
Almost surely, 2311431130030 is an apocalyptic number.
311431130030 is a deficient number, since it is larger than the sum of its proper divisors (249144904042).
311431130030 is a wasteful number, since it uses less digits than its factorization.
311431130030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31143113010.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 311431130030 its reverse (30031134113), we get a palindrome (341462264143).
The spelling of 311431130030 in words is "three hundred eleven billion, four hundred thirty-one million, one hundred thirty thousand, thirty".
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