1311213322 has 16 divisors (see below), whose sum is σ = 2019248352. Its totient is φ = 638319760.

The previous prime is 1311213301. The next prime is 1311213347. The reversal of 1311213322 is 2233121131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311213322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33328 + ... + 61099.

It is an arithmetic number, because the mean of its divisors is an integer number (126203022).

Almost surely, 2^1311213322 is an apocalyptic number.

1311213322 is a deficient number, since it is larger than the sum of its proper divisors (708035030).

1311213322 is a wasteful number, since it uses less digits than its factorization.

1311213322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94613.

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

The square root of 1311213322 is about 36210.6796677444. The cubic root of 1311213322 is about 1094.5218882532.

Adding to 1311213322 its reverse (2233121131), we get a palindrome (3544334453).

The spelling of 1311213322 in words is "one billion, three hundred eleven million, two hundred thirteen thousand, three hundred twenty-two".