Base | Representation |
---|---|
bin | 11101100011101101000… |
… | …101110111010110010011 |
3 | 21012011212222110222201010 |
4 | 131203231011313112103 |
5 | 231234400242120311 |
6 | 4153042122342003 |
7 | 266515041455430 |
oct | 35435505672623 |
9 | 7164788428633 |
10 | 2031202301331 |
11 | 713478822685 |
12 | 2897b165a903 |
13 | 119706a48278 |
14 | 7044c866b87 |
15 | 37c82448da6 |
hex | 1d8ed177593 |
2031202301331 has 16 divisors (see below), whose sum is σ = 3095188199168. Its totient is φ = 1160678484000.
The previous prime is 2031202301309. The next prime is 2031202301341. The reversal of 2031202301331 is 1331032021302.
It is not a de Polignac number, because 2031202301331 - 222 = 2031198107027 is a prime.
It is a super-2 number, since 2×20312023013312 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2031202301298 and 2031202301307.
It is not an unprimeable number, because it can be changed into a prime (2031202301341) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3572016 + ... + 4101426.
It is an arithmetic number, because the mean of its divisors is an integer number (193449262448).
Almost surely, 22031202301331 is an apocalyptic number.
2031202301331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2031202301331 is a deficient number, since it is larger than the sum of its proper divisors (1063985897837).
2031202301331 is a wasteful number, since it uses less digits than its factorization.
2031202301331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 712122.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 2031202301331 its reverse (1331032021302), we get a palindrome (3362234322633).
The spelling of 2031202301331 in words is "two trillion, thirty-one billion, two hundred two million, three hundred one thousand, three hundred thirty-one".
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