1310243311 has 24 divisors (see below), whose sum is σ = 1443615264. Its totient is φ = 1188495360.

The previous prime is 1310243281. The next prime is 1310243359. The reversal of 1310243311 is 1133420131.

It is not a de Polignac number, because 1310243311 - 2⁵ = 1310243279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310243381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4212846 + ... + 4213156.

It is an arithmetic number, because the mean of its divisors is an integer number (60150636).

Almost surely, 2^1310243311 is an apocalyptic number.

1310243311 is a deficient number, since it is larger than the sum of its proper divisors (133371953).

1310243311 is a wasteful number, since it uses less digits than its factorization.

1310243311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1310243311 is about 36197.2831991574. The cubic root of 1310243311 is about 1094.2519194212.

Adding to 1310243311 its reverse (1133420131), we get a palindrome (2443663442).

The spelling of 1310243311 in words is "one billion, three hundred ten million, two hundred forty-three thousand, three hundred eleven".