1313010311 has 4 divisors (see below), whose sum is σ = 1321373592. Its totient is φ = 1304647032.

The previous prime is 1313010271. The next prime is 1313010337. The reversal of 1313010311 is 1130103131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1130103131 = 41 ⋅27563491.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313010311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313010341) 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, 4181405 + ... + 4181718.

It is an arithmetic number, because the mean of its divisors is an integer number (330343398).

Almost surely, 2^1313010311 is an apocalyptic number.

1313010311 is a deficient number, since it is larger than the sum of its proper divisors (8363281).

1313010311 is an equidigital number, since it uses as much as digits as its factorization.

1313010311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8363280.

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

The square root of 1313010311 is about 36235.4841419292. The cubic root of 1313010311 is about 1095.0216660642.

Adding to 1313010311 its reverse (1130103131), we get a palindrome (2443113442).

The spelling of 1313010311 in words is "one billion, three hundred thirteen million, ten thousand, three hundred eleven".