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2313430649 is a prime number
BaseRepresentation
bin1000100111100100…
…0010011001111001
312222020010110020122
42021321002121321
514214214240044
61021320503025
7111220556525
oct21171023171
95866113218
102313430649
11a87964762
1254691aa75
132ab39839a
1417d366d85
15d8175dee
hex89e42679

2313430649 has 2 divisors, whose sum is σ = 2313430650. Its totient is φ = 2313430648.

The previous prime is 2313430631. The next prime is 2313430681. The reversal of 2313430649 is 9460343132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1505052025 + 808378624 = 38795^2 + 28432^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313430649 - 28 = 2313430393 is a prime.

It is a super-2 number, since 2×23134306492 = 10703922735465122402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2313430849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156715324 + 1156715325.

It is an arithmetic number, because the mean of its divisors is an integer number (1156715325).

Almost surely, 22313430649 is an apocalyptic number.

It is an amenable number.

2313430649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313430649 is an equidigital number, since it uses as much as digits as its factorization.

2313430649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 2313430649 is about 48098.1356083580. The cubic root of 2313430649 is about 1322.5704902495.

The spelling of 2313430649 in words is "two billion, three hundred thirteen million, four hundred thirty thousand, six hundred forty-nine".