Base | Representation |
---|---|
bin | 11101000110001011… |
… | …001010010100011001 |
3 | 2222122022112020001102 |
4 | 131012023022110121 |
5 | 1002440434231131 |
6 | 22204042401145 |
7 | 2154131325413 |
oct | 350613122431 |
9 | 88568466042 |
10 | 31242102041 |
11 | 12282396747 |
12 | 607ab001b5 |
13 | 2c3b80ab17 |
14 | 17253b79b3 |
15 | c2cbce1cb |
hex | 7462ca519 |
31242102041 has 2 divisors, whose sum is σ = 31242102042. Its totient is φ = 31242102040.
The previous prime is 31242102011. The next prime is 31242102071. The reversal of 31242102041 is 14020124213.
It is a balanced prime because it is at equal distance from previous prime (31242102011) and next prime (31242102071).
It can be written as a sum of positive squares in only one way, i.e., 26836992400 + 4405109641 = 163820^2 + 66371^2 .
It is a cyclic number.
It is not a de Polignac number, because 31242102041 - 214 = 31242085657 is a prime.
It is a super-3 number, since 3×312421020413 (a number of 32 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (31242102011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15621051020 + 15621051021.
It is an arithmetic number, because the mean of its divisors is an integer number (15621051021).
Almost surely, 231242102041 is an apocalyptic number.
It is an amenable number.
31242102041 is a deficient number, since it is larger than the sum of its proper divisors (1).
31242102041 is an equidigital number, since it uses as much as digits as its factorization.
31242102041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 31242102041 its reverse (14020124213), we get a palindrome (45262226254).
The spelling of 31242102041 in words is "thirty-one billion, two hundred forty-two million, one hundred two thousand, forty-one".
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