1311311213310 has 64 divisors (see below), whose sum is σ = 3602005811712. Its totient is φ = 299289403776.

The previous prime is 1311311213309. The next prime is 1311311213347. The reversal of 1311311213310 is 133121131131.

It is a super-2 number, since 2×1311311213310² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4427829 + ... + 4714688.

It is an arithmetic number, because the mean of its divisors is an integer number (56281340808).

Almost surely, 2^{1311311213310} is an apocalyptic number.

1311311213310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311311213310 is an abundant number, since it is smaller than the sum of its proper divisors (2290694598402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311311213310 is a wasteful number, since it uses less digits than its factorization.

1311311213310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9143217.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1311311213310 its reverse (133121131131), we get a palindrome (1444432344441).

The spelling of 1311311213310 in words is "one trillion, three hundred eleven billion, three hundred eleven million, two hundred thirteen thousand, three hundred ten".