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2321203057 is a prime number
BaseRepresentation
bin1000101001011010…
…1011111101110001
312222202202022222121
42022112223331301
514223211444212
61022155234241
7111343620565
oct21226537561
95882668877
102321203057
11a91293238
12549448981
132acb8a044
141803cb6a5
15d8badd07
hex8a5abf71

2321203057 has 2 divisors, whose sum is σ = 2321203058. Its totient is φ = 2321203056.

The previous prime is 2321203051. The next prime is 2321203061. The reversal of 2321203057 is 7503021232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1166290801 + 1154912256 = 34151^2 + 33984^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321203057 - 219 = 2320678769 is a prime.

It is a super-2 number, since 2×23212030572 = 10775967263652290498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2321203051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160601528 + 1160601529.

It is an arithmetic number, because the mean of its divisors is an integer number (1160601529).

Almost surely, 22321203057 is an apocalyptic number.

It is an amenable number.

2321203057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321203057 is an equidigital number, since it uses as much as digits as its factorization.

2321203057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2321203057 is about 48178.8652523075. The cubic root of 2321203057 is about 1324.0499765502.

Adding to 2321203057 its reverse (7503021232), we get a palindrome (9824224289).

The spelling of 2321203057 in words is "two billion, three hundred twenty-one million, two hundred three thousand, fifty-seven".