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313023311 is a prime number
BaseRepresentation
bin10010101010000…
…101101101001111
3210211000020020222
4102222011231033
51120113221221
651021101555
710520440256
oct2252055517
9724006228
10313023311
1115076a057
12889b78bb
134cb0a7c3
142d80379d
151c7329ab
hex12a85b4f

313023311 has 2 divisors, whose sum is σ = 313023312. Its totient is φ = 313023310.

The previous prime is 313023299. The next prime is 313023313. The reversal of 313023311 is 113320313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313023311 - 222 = 308829007 is a prime.

Together with 313023313, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313023311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313023313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156511655 + 156511656.

It is an arithmetic number, because the mean of its divisors is an integer number (156511656).

Almost surely, 2313023311 is an apocalyptic number.

313023311 is a deficient number, since it is larger than the sum of its proper divisors (1).

313023311 is an equidigital number, since it uses as much as digits as its factorization.

313023311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 313023311 is about 17692.4648084997. The cubic root of 313023311 is about 678.9829887946.

Adding to 313023311 its reverse (113320313), we get a palindrome (426343624).

The spelling of 313023311 in words is "three hundred thirteen million, twenty-three thousand, three hundred eleven".