1324312340 has 24 divisors (see below), whose sum is σ = 2994983880. Its totient is φ = 488976768.

The previous prime is 1324312337. The next prime is 1324312351. The reversal of 1324312340 is 432134231.

It can be written as a sum of positive squares in 4 ways, for example, as 156450064 + 1167862276 = 12508^2 + 34174^2 .

It is a congruent number.

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, 2546495 + ... + 2547014.

It is an arithmetic number, because the mean of its divisors is an integer number (124790995).

Almost surely, 2^1324312340 is an apocalyptic number.

1324312340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324312340 is an abundant number, since it is smaller than the sum of its proper divisors (1670671540).

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

1324312340 is a wasteful number, since it uses less digits than its factorization.

1324312340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093531 (or 5093529 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1324312340 is about 36391.1024839864. The cubic root of 1324312340 is about 1098.1545751593.

Adding to 1324312340 its reverse (432134231), we get a palindrome (1756446571).

The spelling of 1324312340 in words is "one billion, three hundred twenty-four million, three hundred twelve thousand, three hundred forty".