Search a number
-
+
2313256471481 is a prime number
BaseRepresentation
bin100001101010011000110…
…101001000101110111001
322012010220211011101220102
4201222120311020232321
5300400022124041411
64530410110205145
7326061436402334
oct41523065105671
98163824141812
102313256471481
11812056a7633a
123143a8ab37b5
1313a1a6931b37
147dd6843d61b
154028e39ed3b
hex21a98d48bb9

2313256471481 has 2 divisors, whose sum is σ = 2313256471482. Its totient is φ = 2313256471480.

The previous prime is 2313256471453. The next prime is 2313256471637. The reversal of 2313256471481 is 1841746523132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1969292989225 + 343963482256 = 1403315^2 + 586484^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313256471481 - 210 = 2313256470457 is a prime.

It is a super-2 number, since 2×23132564714812 (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2313256411481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156628235740 + 1156628235741.

It is an arithmetic number, because the mean of its divisors is an integer number (1156628235741).

Almost surely, 22313256471481 is an apocalyptic number.

It is an amenable number.

2313256471481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313256471481 is an equidigital number, since it uses as much as digits as its factorization.

2313256471481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The spelling of 2313256471481 in words is "two trillion, three hundred thirteen billion, two hundred fifty-six million, four hundred seventy-one thousand, four hundred eighty-one".