Base | Representation |
---|---|
bin | 1110001101010001011001… |
… | …01110001010100100000101 |
3 | 11002121201221120010012002112 |
4 | 13012220230232022210011 |
5 | 13043333304124114001 |
6 | 150240311200350405 |
7 | 6403120240552205 |
oct | 706505456124405 |
9 | 132551846105075 |
10 | 31242342410501 |
11 | 9a55891893932 |
12 | 3606b85315405 |
13 | 14581a9180411 |
14 | 7a01cd1d0405 |
15 | 392a41e48cbb |
hex | 1c6a2cb8a905 |
31242342410501 has 4 divisors (see below), whose sum is σ = 32886676221600. Its totient is φ = 29598008599404.
The previous prime is 31242342410497. The next prime is 31242342410549. The reversal of 31242342410501 is 10501424324213.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 31242342410501 - 22 = 31242342410497 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 (31242342410561) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822166905521 + ... + 822166905558.
It is an arithmetic number, because the mean of its divisors is an integer number (8221669055400).
Almost surely, 231242342410501 is an apocalyptic number.
It is an amenable number.
31242342410501 is a deficient number, since it is larger than the sum of its proper divisors (1644333811099).
31242342410501 is a wasteful number, since it uses less digits than its factorization.
31242342410501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1644333811098.
The product of its (nonzero) digits is 23040, while the sum is 32.
Adding to 31242342410501 its reverse (10501424324213), we get a palindrome (41743766734714).
The spelling of 31242342410501 in words is "thirty-one trillion, two hundred forty-two billion, three hundred forty-two million, four hundred ten thousand, five hundred one".
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