1311324212 has 12 divisors (see below), whose sum is σ = 2503437216. Its totient is φ = 596056440.

The previous prime is 1311324199. The next prime is 1311324229. The reversal of 1311324212 is 2124231131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14901368 + ... + 14901455.

It is an arithmetic number, because the mean of its divisors is an integer number (208619768).

Almost surely, 2^1311324212 is an apocalyptic number.

It is an amenable number.

1311324212 is a deficient number, since it is larger than the sum of its proper divisors (1192113004).

1311324212 is a wasteful number, since it uses less digits than its factorization.

1311324212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29802838 (or 29802836 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1311324212 is about 36212.2108134811. The cubic root of 1311324212 is about 1094.5527421473.

Adding to 1311324212 its reverse (2124231131), we get a palindrome (3435555343).

It can be divided in two parts, 1311 and 324212, that added together give a palindrome (325523).

The spelling of 1311324212 in words is "one billion, three hundred eleven million, three hundred twenty-four thousand, two hundred twelve".