Base | Representation |
---|---|
bin | 1110001100111100110101… |
… | …01110010011110001101111 |
3 | 11002120200110012121001211112 |
4 | 13012132122232103301233 |
5 | 13043143202034240421 |
6 | 150231243524342235 |
7 | 6402246542502656 |
oct | 706363256236157 |
9 | 132520405531745 |
10 | 31231303040111 |
11 | 9a51137405529 |
12 | 3604a0424497b |
13 | 145713a04c9a5 |
14 | 79d862dd219d |
15 | 3925e7bce45b |
hex | 1c679ab93c6f |
31231303040111 has 8 divisors (see below), whose sum is σ = 31255219655424. Its totient is φ = 31207395542040.
The previous prime is 31231303040087. The next prime is 31231303040117. The reversal of 31231303040111 is 11104030313213.
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 31231303040111 - 214 = 31231303023727 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31231303040117) 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, 4582256 + ... + 9135626.
It is an arithmetic number, because the mean of its divisors is an integer number (3906902456928).
Almost surely, 231231303040111 is an apocalyptic number.
31231303040111 is a deficient number, since it is larger than the sum of its proper divisors (23916615313).
31231303040111 is a wasteful number, since it uses less digits than its factorization.
31231303040111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4558621.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 31231303040111 its reverse (11104030313213), we get a palindrome (42335333353324).
The spelling of 31231303040111 in words is "thirty-one trillion, two hundred thirty-one billion, three hundred three million, forty thousand, one hundred eleven".
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