Search a number
-
+
2313023261 is a prime number
BaseRepresentation
bin1000100111011101…
…1110111100011101
312222012100202102012
42021313132330131
514214113221021
61021304041005
7111214242023
oct21167367435
95865322365
102313023261
11a8770667a
12546763165
132ab284b23
1417d29c713
15d80e535b
hex89ddef1d

2313023261 has 2 divisors, whose sum is σ = 2313023262. Its totient is φ = 2313023260.

The previous prime is 2313023203. The next prime is 2313023263. The reversal of 2313023261 is 1623203132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1825938361 + 487084900 = 42731^2 + 22070^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313023261 - 214 = 2313006877 is a prime.

Together with 2313023263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2313023263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156511630 + 1156511631.

It is an arithmetic number, because the mean of its divisors is an integer number (1156511631).

Almost surely, 22313023261 is an apocalyptic number.

It is an amenable number.

2313023261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313023261 is an equidigital number, since it uses as much as digits as its factorization.

2313023261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2313023261 is about 48093.9004552552. The cubic root of 2313023261 is about 1322.4928521643.

Adding to 2313023261 its reverse (1623203132), we get a palindrome (3936226393).

The spelling of 2313023261 in words is "two billion, three hundred thirteen million, twenty-three thousand, two hundred sixty-one".