Base | Representation |
---|---|
bin | 1001000111010000000… |
… | …00100101000101100011 |
3 | 1002221020120112210101210 |
4 | 10203220000211011203 |
5 | 20112242302030311 |
6 | 355503333001203 |
7 | 31423441013322 |
oct | 4435000450543 |
9 | 1087216483353 |
10 | 313130111331 |
11 | 11088586a284 |
12 | 5082a783203 |
13 | 236b315795b |
14 | 11226c9a0b9 |
15 | 822a2623a6 |
hex | 48e8025163 |
313130111331 has 8 divisors (see below), whose sum is σ = 417607266384. Its totient is φ = 208703181920.
The previous prime is 313130111309. The next prime is 313130111353. The reversal of 313130111331 is 133111031313.
It is an interprime number because it is at equal distance from previous prime (313130111309) and next prime (313130111353).
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 313130111331 - 230 = 312056369507 is a prime.
It is a super-2 number, since 2×3131301113312 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 313130111298 and 313130111307.
It is not an unprimeable number, because it can be changed into a prime (313130111381) 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, 12541860 + ... + 12566801.
It is an arithmetic number, because the mean of its divisors is an integer number (52200908298).
Almost surely, 2313130111331 is an apocalyptic number.
313130111331 is a deficient number, since it is larger than the sum of its proper divisors (104477155053).
313130111331 is a wasteful number, since it uses less digits than its factorization.
313130111331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25112821.
The product of its (nonzero) digits is 243, while the sum is 21.
Adding to 313130111331 its reverse (133111031313), we get a palindrome (446241142644).
The spelling of 313130111331 in words is "three hundred thirteen billion, one hundred thirty million, one hundred eleven thousand, three hundred thirty-one".
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