Base | Representation |
---|---|
bin | 10011000110110100111… |
… | …110100000011101001111 |
3 | 11122112002022121102201022 |
4 | 103012310332200131033 |
5 | 133003011313410111 |
6 | 2443103502504355 |
7 | 163601252663345 |
oct | 23066476403517 |
9 | 4575068542638 |
10 | 1313001310031 |
11 | 466928011914 |
12 | 1925755950bb |
13 | 96a7a8374b8 |
14 | 4779a175995 |
15 | 2424a5352db |
hex | 131b4fa074f |
1313001310031 has 8 divisors (see below), whose sum is σ = 1315042102080. Its totient is φ = 1310961115648.
The previous prime is 1313001310007. The next prime is 1313001310057. The reversal of 1313001310031 is 1300131003131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1313001310031 is a prime.
It is a super-2 number, since 2×13130013100312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1313001309991 and 1313001310009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1313001310081) 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, 4352855 + ... + 4644711.
It is an arithmetic number, because the mean of its divisors is an integer number (164380262760).
Almost surely, 21313001310031 is an apocalyptic number.
1313001310031 is a deficient number, since it is larger than the sum of its proper divisors (2040792049).
1313001310031 is an equidigital number, since it uses as much as digits as its factorization.
1313001310031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 298833.
The product of its (nonzero) digits is 81, while the sum is 17.
Adding to 1313001310031 its reverse (1300131003131), we get a palindrome (2613132313162).
The spelling of 1313001310031 in words is "one trillion, three hundred thirteen billion, one million, three hundred ten thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •