Base | Representation |
---|---|
bin | 111111100011000… |
… | …0111101111110111 |
3 | 12111121022121211122 |
4 | 1333012013233313 |
5 | 13331332423111 |
6 | 551330454155 |
7 | 103561226144 |
oct | 17706075767 |
9 | 5447277748 |
10 | 2132311031 |
11 | 9a46a7924 |
12 | 4b613435b |
13 | 27c9c1a06 |
14 | 16329b3cb |
15 | c72eacdb |
hex | 7f187bf7 |
2132311031 has 4 divisors (see below), whose sum is σ = 2134318032. Its totient is φ = 2130304032.
The previous prime is 2132311009. The next prime is 2132311033. The reversal of 2132311031 is 1301132312.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2132311031 - 218 = 2132048887 is a prime.
It is a super-2 number, since 2×21323110312 = 9093500665848565922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2132311033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001906 + ... + 1004031.
It is an arithmetic number, because the mean of its divisors is an integer number (533579508).
Almost surely, 22132311031 is an apocalyptic number.
2132311031 is a deficient number, since it is larger than the sum of its proper divisors (2007001).
2132311031 is a wasteful number, since it uses less digits than its factorization.
2132311031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2007000.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 2132311031 is about 46176.9534616566. The cubic root of 2132311031 is about 1287.1135170253.
Adding to 2132311031 its reverse (1301132312), we get a palindrome (3433443343).
The spelling of 2132311031 in words is "two billion, one hundred thirty-two million, three hundred eleven thousand, thirty-one".
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