Base | Representation |
---|---|
bin | 11101001001101100… |
… | …010110010000001011 |
3 | 2222210102121022202012 |
4 | 131021230112100023 |
5 | 1003101042231243 |
6 | 22213551530135 |
7 | 2155446146315 |
oct | 351154262013 |
9 | 88712538665 |
10 | 31301133323 |
11 | 12302745829 |
12 | 609682994b |
13 | 2c4ab08b85 |
14 | 172d1827b5 |
15 | c32e8ed18 |
hex | 749b1640b |
31301133323 has 4 divisors (see below), whose sum is σ = 31403091720. Its totient is φ = 31199174928.
The previous prime is 31301133307. The next prime is 31301133379. The reversal of 31301133323 is 32333110313.
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 31301133323 - 24 = 31301133307 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31301133623) 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, 50978738 + ... + 50979351.
It is an arithmetic number, because the mean of its divisors is an integer number (7850772930).
Almost surely, 231301133323 is an apocalyptic number.
31301133323 is a deficient number, since it is larger than the sum of its proper divisors (101958397).
31301133323 is a wasteful number, since it uses less digits than its factorization.
31301133323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101958396.
The product of its (nonzero) digits is 1458, while the sum is 23.
Adding to 31301133323 its reverse (32333110313), we get a palindrome (63634243636).
The spelling of 31301133323 in words is "thirty-one billion, three hundred one million, one hundred thirty-three thousand, three hundred twenty-three".
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