1331005255 has 16 divisors (see below), whose sum is σ = 1643827104. Its totient is φ = 1033845120.

The previous prime is 1331005253. The next prime is 1331005261. The reversal of 1331005255 is 5525001331.

It is not a de Polignac number, because 1331005255 - 2¹ = 1331005253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331005253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83509 + ... + 98161.

It is an arithmetic number, because the mean of its divisors is an integer number (102739194).

Almost surely, 2^1331005255 is an apocalyptic number.

1331005255 is a deficient number, since it is larger than the sum of its proper divisors (312821849).

1331005255 is a wasteful number, since it uses less digits than its factorization.

1331005255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15186.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1331005255 is about 36482.9447139345. The cubic root of 1331005255 is about 1100.0014476565.

Adding to 1331005255 its reverse (5525001331), we get a palindrome (6856006586).

The spelling of 1331005255 in words is "one billion, three hundred thirty-one million, five thousand, two hundred fifty-five".