Base | Representation |
---|---|
bin | 11101100011101110110… |
… | …011110001100001011110 |
3 | 21012011221222200210022110 |
4 | 131203232303301201132 |
5 | 231234430131111220 |
6 | 4153045032054450 |
7 | 266515541405400 |
oct | 35435663614136 |
9 | 7164858623273 |
10 | 2031231113310 |
11 | 713493011533 |
12 | 2897bb234426 |
13 | 11970c9c5589 |
14 | 70452606b70 |
15 | 37c84c3abe0 |
hex | 1d8eecf185e |
2031231113310 has 96 divisors (see below), whose sum is σ = 5763830903712. Its totient is φ = 456670206720.
The previous prime is 2031231113279. The next prime is 2031231113377. The reversal of 2031231113310 is 133111321302.
It is a happy number.
It is a super-2 number, since 2×20312311133102 (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 congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11236477 + ... + 11415816.
It is an arithmetic number, because the mean of its divisors is an integer number (60039905247).
Almost surely, 22031231113310 is an apocalyptic number.
2031231113310 is an abundant number, since it is smaller than the sum of its proper divisors (3732599790402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031231113310 is a wasteful number, since it uses less digits than its factorization.
2031231113310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22652378 (or 22652371 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 2031231113310 its reverse (133111321302), we get a palindrome (2164342434612).
The spelling of 2031231113310 in words is "two trillion, thirty-one billion, two hundred thirty-one million, one hundred thirteen thousand, three hundred ten".
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