Base | Representation |
---|---|
bin | 110100100110010011111000… |
… | …001011000001010101111101 |
3 | 1010100002001000020221210110221 |
4 | 310212103320023001111331 |
5 | 220310112044130414323 |
6 | 2140000012524301341 |
7 | 66504056236026040 |
oct | 6446237013012575 |
9 | 1110061006853427 |
10 | 231331102201213 |
11 | 67788a73448713 |
12 | 21b416260a1851 |
13 | 9c1057732c201 |
14 | 411a6b1116c57 |
15 | 1bb26bd53555d |
hex | d264f82c157d |
231331102201213 has 8 divisors (see below), whose sum is σ = 279930073252032. Its totient is φ = 186620048834496.
The previous prime is 231331102201211. The next prime is 231331102201217. The reversal of 231331102201213 is 312102201133132.
231331102201213 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231331102201213 - 21 = 231331102201211 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231331102201211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971979420895 + ... + 971979421132.
It is an arithmetic number, because the mean of its divisors is an integer number (34991259156504).
Almost surely, 2231331102201213 is an apocalyptic number.
It is an amenable number.
231331102201213 is a deficient number, since it is larger than the sum of its proper divisors (48598971050819).
231331102201213 is a wasteful number, since it uses less digits than its factorization.
231331102201213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1943958842051.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 231331102201213 its reverse (312102201133132), we get a palindrome (543433303334345).
The spelling of 231331102201213 in words is "two hundred thirty-one trillion, three hundred thirty-one billion, one hundred two million, two hundred one thousand, two hundred thirteen".
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