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BaseRepresentation
bin10100100111
31210212
4110213
520234
610035
73563
oct2447
91725
101319
11a9a
1291b
137a6
146a3
155ce
hex527

1319 has 2 divisors, whose sum is σ = 1320. Its totient is φ = 1318.

The previous prime is 1307. The next prime is 1321. The reversal of 1319 is 9131.

1319 is nontrivially palindromic in base 11.

1319 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1319 - 24 = 1303 is a prime.

It is a super-2 number, since 2×13192 = 3479522, which contains 22 as substring.

Together with 1321, it forms a pair of twin primes.

It is a Chen prime.

1319 is an undulating number in base 11.

It is a plaindrome in base 8 and base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659 + 660.

It is an arithmetic number, because the mean of its divisors is an integer number (660).

1319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319 is an equidigital number, since it uses as much as digits as its factorization.

1319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27, while the sum is 14.

The square root of 1319 is about 36.3180395947. The cubic root of 1319 is about 10.9668423007.

It can be divided in two parts, 13 and 19, that added together give a 5-th power (32 = 25).

The spelling of 1319 in words is "one thousand, three hundred nineteen".