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1310 = 25131
BaseRepresentation
bin10100011110
31210112
4110132
520220
610022
73551
oct2436
91715
101310
11a91
12912
1379a
14698
155c5
hex51e

1310 has 8 divisors (see below), whose sum is σ = 2376. Its totient is φ = 520.

The previous prime is 1307. The next prime is 1319. The reversal of 1310 is 131.

Adding to 1310 its reverse (131), we get a palindrome (1441).

1310 = T5 + T6 + ... + T19.

1310 is nontrivially palindromic in base 15.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13102 = 3432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a magnanimous number.

1310 is an undulating number in base 15.

It is a Curzon number.

It is a plaindrome in base 13.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1294 and 1303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56 + ... + 75.

It is an arithmetic number, because the mean of its divisors is an integer number (297).

21310 is an apocalyptic number.

1310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1310 is a deficient number, since it is larger than the sum of its proper divisors (1066).

1310 is a wasteful number, since it uses less digits than its factorization.

1310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138.

The product of its (nonzero) digits is 3, while the sum is 5.

The square root of 1310 is about 36.1939221417. The cubic root of 1310 is about 10.9418418136.

The spelling of 1310 in words is "one thousand, three hundred ten", and thus it is an iban number.

Divisors: 1 2 5 10 131 262 655 1310