1311213324 has 24 divisors (see below), whose sum is σ = 3158192128. Its totient is φ = 422971920.

The previous prime is 1311213301. The next prime is 1311213347. The reversal of 1311213324 is 4233121131.

It is an interprime number because it is at equal distance from previous prime (1311213301) and next prime (1311213347).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1311213324.

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, 1762012 + ... + 1762755.

Almost surely, 2^1311213324 is an apocalyptic number.

It is an amenable number.

1311213324 is an abundant number, since it is smaller than the sum of its proper divisors (1846978804).

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

1311213324 is a wasteful number, since it uses less digits than its factorization.

1311213324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524805 (or 3524803 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 1311213324 is about 36210.6796953606. The cubic root of 1311213324 is about 1094.5218888097.

Adding to 1311213324 its reverse (4233121131), we get a palindrome (5544334455).

The spelling of 1311213324 in words is "one billion, three hundred eleven million, two hundred thirteen thousand, three hundred twenty-four".