Base | Representation |
---|---|
bin | 1110001010000010000001… |
… | …11011001111100001010101 |
3 | 11002020002120202202012122020 |
4 | 13011001000323033201111 |
5 | 13040022303112431201 |
6 | 150113220052323353 |
7 | 6362066334634131 |
oct | 705010073174125 |
9 | 132202522665566 |
10 | 31131012233301 |
11 | 9a12651904a22 |
12 | 35a9495013559 |
13 | 144a846210a16 |
14 | 798a6b4b23c1 |
15 | 38ebc819ea36 |
hex | 1c5040ecf855 |
31131012233301 has 8 divisors (see below), whose sum is σ = 42188475595104. Its totient is φ = 20413778513520.
The previous prime is 31131012233297. The next prime is 31131012233357. The reversal of 31131012233301 is 10333221013113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31131012233301 - 22 = 31131012233297 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31131012232301) 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, 85057410291 + ... + 85057410656.
It is an arithmetic number, because the mean of its divisors is an integer number (5273559449388).
Almost surely, 231131012233301 is an apocalyptic number.
It is an amenable number.
31131012233301 is a deficient number, since it is larger than the sum of its proper divisors (11057463361803).
31131012233301 is a wasteful number, since it uses less digits than its factorization.
31131012233301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170114821011.
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 31131012233301 its reverse (10333221013113), we get a palindrome (41464233246414).
The spelling of 31131012233301 in words is "thirty-one trillion, one hundred thirty-one billion, twelve million, two hundred thirty-three thousand, three hundred one".
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