Base | Representation |
---|---|
bin | 11101000000000110… |
… | …011100001000111111 |
3 | 2222101012210010010122 |
4 | 131000012130020333 |
5 | 1002233342413043 |
6 | 22150002325155 |
7 | 2151453225041 |
oct | 350006341077 |
9 | 88335703118 |
10 | 31140201023 |
11 | 1222a916a28 |
12 | 60509597bb |
13 | 2c2367cc69 |
14 | 1715a4da91 |
15 | c23ca1368 |
hex | 74019c23f |
31140201023 has 8 divisors (see below), whose sum is σ = 31219224960. Its totient is φ = 31061227680.
The previous prime is 31140201017. The next prime is 31140201041. The reversal of 31140201023 is 32010204113.
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 31140201023 - 24 = 31140201007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31140200992 and 31140201010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31140201083) 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, 1422386 + ... + 1444112.
It is an arithmetic number, because the mean of its divisors is an integer number (3902403120).
Almost surely, 231140201023 is an apocalyptic number.
31140201023 is a deficient number, since it is larger than the sum of its proper divisors (79023937).
31140201023 is a wasteful number, since it uses less digits than its factorization.
31140201023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25297.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 31140201023 its reverse (32010204113), we get a palindrome (63150405136).
The spelling of 31140201023 in words is "thirty-one billion, one hundred forty million, two hundred one thousand, twenty-three".
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