Base | Representation |
---|---|
bin | 1000100111000101… |
… | …1001001111010111 |
3 | 12222002100122210120 |
4 | 2021301121033113 |
5 | 14213211131111 |
6 | 1021205523023 |
7 | 111164543214 |
oct | 21161311727 |
9 | 5862318716 |
10 | 2311427031 |
11 | a86816381 |
12 | 546113473 |
13 | 2aab46404 |
14 | 17cda4b0b |
15 | d7dcc406 |
hex | 89c593d7 |
2311427031 has 16 divisors (see below), whose sum is σ = 3162724224. Its totient is φ = 1500748704.
The previous prime is 2311426993. The next prime is 2311427071. The reversal of 2311427031 is 1307241132.
It is a happy number.
It is not a de Polignac number, because 2311427031 - 26 = 2311426967 is a prime.
It is a super-2 number, since 2×23114270312 = 10685389839274949922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2311426992 and 2311427010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2311427071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18945 + ... + 70581.
It is an arithmetic number, because the mean of its divisors is an integer number (197670264).
Almost surely, 22311427031 is an apocalyptic number.
2311427031 is a deficient number, since it is larger than the sum of its proper divisors (851297193).
2311427031 is a wasteful number, since it uses less digits than its factorization.
2311427031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52030.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 2311427031 is about 48077.3026593631. The cubic root of 2311427031 is about 1322.1885623067.
Adding to 2311427031 its reverse (1307241132), we get a palindrome (3618668163).
The spelling of 2311427031 in words is "two billion, three hundred eleven million, four hundred twenty-seven thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •