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2313131339 is a prime number
BaseRepresentation
bin1000100111011111…
…1001010101001011
312222012120020200002
42021313321111023
514214130200324
61021310233215
7111215202101
oct21167712513
95865506602
102313131339
11a8777a8a2
125467b580b
132ab2c208c
1417d2c9c71
15d81173ae
hex89df954b

2313131339 has 2 divisors, whose sum is σ = 2313131340. Its totient is φ = 2313131338.

The previous prime is 2313131329. The next prime is 2313131341. The reversal of 2313131339 is 9331313132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2313131339 is a prime.

It is a super-4 number, since 4×23131313394 (a number of 39 digits) contains 4444 as substring.

Together with 2313131341, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2313131329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156565669 + 1156565670.

It is an arithmetic number, because the mean of its divisors is an integer number (1156565670).

Almost surely, 22313131339 is an apocalyptic number.

2313131339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313131339 is an equidigital number, since it uses as much as digits as its factorization.

2313131339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374, while the sum is 29.

The square root of 2313131339 is about 48095.0240565487. The cubic root of 2313131339 is about 1322.5134500486.

The spelling of 2313131339 in words is "two billion, three hundred thirteen million, one hundred thirty-one thousand, three hundred thirty-nine".