1311313210 has 8 divisors (see below), whose sum is σ = 2360363796. Its totient is φ = 524525280.

The previous prime is 1311313183. The next prime is 1311313229. The reversal of 1311313210 is 123131131.

It can be written as a sum of positive squares in 2 ways, for example, as 1177656489 + 133656721 = 34317^2 + 11561^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65565651 + ... + 65565670.

Almost surely, 2^1311313210 is an apocalyptic number.

1311313210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311313210 is a deficient number, since it is larger than the sum of its proper divisors (1049050586).

1311313210 is a wasteful number, since it uses less digits than its factorization.

1311313210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131131328.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1311313210 is about 36212.0589030781. The cubic root of 1311313210 is about 1094.5496810424.

Adding to 1311313210 its reverse (123131131), we get a palindrome (1434444341).

The spelling of 1311313210 in words is "one billion, three hundred eleven million, three hundred thirteen thousand, two hundred ten".