1311013313 has 8 divisors (see below), whose sum is σ = 1315953408. Its totient is φ = 1306081584.

The previous prime is 1311013307. The next prime is 1311013331. The reversal of 1311013313 is 3133101131.

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

It is a cyclic number.

It is not a de Polignac number, because 1311013313 - 2²⁶ = 1243904449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311013291 and 1311013300.

It is not an unprimeable number, because it can be changed into a prime (1311013513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583370 + ... + 585612.

It is an arithmetic number, because the mean of its divisors is an integer number (164494176).

Almost surely, 2^1311013313 is an apocalyptic number.

It is an amenable number.

1311013313 is a deficient number, since it is larger than the sum of its proper divisors (4940095).

1311013313 is a wasteful number, since it uses less digits than its factorization.

1311013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1311013313 is about 36207.9178219350. The cubic root of 1311013313 is about 1094.4662336020.

Adding to 1311013313 its reverse (3133101131), we get a palindrome (4444114444).

The spelling of 1311013313 in words is "one billion, three hundred eleven million, thirteen thousand, three hundred thirteen".