1330431055 has 8 divisors (see below), whose sum is σ = 1598936544. Its totient is φ = 1062732000.

The previous prime is 1330431043. The next prime is 1330431071. The reversal of 1330431055 is 5501340331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1330431055 - 2¹¹ = 1330429007 is a prime.

It is a Duffinian number.

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, 197971 + ... + 204580.

It is an arithmetic number, because the mean of its divisors is an integer number (199867068).

Almost surely, 2^1330431055 is an apocalyptic number.

1330431055 is a deficient number, since it is larger than the sum of its proper divisors (268505489).

1330431055 is an equidigital number, since it uses as much as digits as its factorization.

1330431055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403217.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1330431055 is about 36475.0744344683. The cubic root of 1330431055 is about 1099.8432435026.

Adding to 1330431055 its reverse (5501340331), we get a palindrome (6831771386).

The spelling of 1330431055 in words is "one billion, three hundred thirty million, four hundred thirty-one thousand, fifty-five".