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2320231357 is a prime number
BaseRepresentation
bin1000101001001011…
…1110101110111101
312222200220222001201
42022102332232331
514222434400412
61022122335501
7111332432623
oct21222765675
95880828051
102320231357
11a9078a184
1254905a591
132ac909982
14180217513
15d8a6ae57
hex8a4bebbd

2320231357 has 2 divisors, whose sum is σ = 2320231358. Its totient is φ = 2320231356.

The previous prime is 2320231339. The next prime is 2320231387. The reversal of 2320231357 is 7531320232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2275862436 + 44368921 = 47706^2 + 6661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2320231357 is a prime.

It is a super-2 number, since 2×23202313572 = 10766947100012122898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320231307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160115678 + 1160115679.

It is an arithmetic number, because the mean of its divisors is an integer number (1160115679).

Almost surely, 22320231357 is an apocalyptic number.

It is an amenable number.

2320231357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320231357 is an equidigital number, since it uses as much as digits as its factorization.

2320231357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 2320231357 is about 48168.7798994328. The cubic root of 2320231357 is about 1323.8651932142.

Adding to 2320231357 its reverse (7531320232), we get a palindrome (9851551589).

The spelling of 2320231357 in words is "two billion, three hundred twenty million, two hundred thirty-one thousand, three hundred fifty-seven".