1331342424 has 48 divisors (see below), whose sum is σ = 3608072520. Its totient is φ = 443491200.

The previous prime is 1331342381. The next prime is 1331342429. The reversal of 1331342424 is 4242431331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331342429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124539 + ... + 134805.

Almost surely, 2^1331342424 is an apocalyptic number.

It is an amenable number.

1331342424 is an abundant number, since it is smaller than the sum of its proper divisors (2276730096).

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

1331342424 is a wasteful number, since it uses less digits than its factorization.

1331342424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12080 (or 12073 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1331342424 is about 36487.5653339600. The cubic root of 1331342424 is about 1100.0943235921.

Adding to 1331342424 its reverse (4242431331), we get a palindrome (5573773755).

The spelling of 1331342424 in words is "one billion, three hundred thirty-one million, three hundred forty-two thousand, four hundred twenty-four".