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2320642631 is a prime number
BaseRepresentation
bin1000101001010010…
…0011001001000111
312222201200212020002
42022110203021013
514223041031011
61022135231515
7111336064646
oct21224431107
95881625202
102320642631
11a90a4017a
1254921859b
132aca21c28
141802c335d
15d8aecc3b
hex8a523247

2320642631 has 2 divisors, whose sum is σ = 2320642632. Its totient is φ = 2320642630.

The previous prime is 2320642607. The next prime is 2320642637. The reversal of 2320642631 is 1362460232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2320642631 - 214 = 2320626247 is a prime.

It is a super-2 number, since 2×23206426312 = 10770764441629204322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2320642594 and 2320642603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320642637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160321315 + 1160321316.

It is an arithmetic number, because the mean of its divisors is an integer number (1160321316).

Almost surely, 22320642631 is an apocalyptic number.

2320642631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320642631 is an equidigital number, since it uses as much as digits as its factorization.

2320642631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2320642631 is about 48173.0488032468. The cubic root of 2320642631 is about 1323.9434094325.

The spelling of 2320642631 in words is "two billion, three hundred twenty million, six hundred forty-two thousand, six hundred thirty-one".