1331350055 has 32 divisors (see below), whose sum is σ = 1908983808. Its totient is φ = 871516800.

The previous prime is 1331350049. The next prime is 1331350061. The reversal of 1331350055 is 5500531331.

It is an interprime number because it is at equal distance from previous prime (1331350049) and next prime (1331350061).

It is not a de Polignac number, because 1331350055 - 2¹⁸ = 1331087911 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 506645 + ... + 509265.

It is an arithmetic number, because the mean of its divisors is an integer number (59655744).

Almost surely, 2^1331350055 is an apocalyptic number.

1331350055 is a deficient number, since it is larger than the sum of its proper divisors (577633753).

1331350055 is a wasteful number, since it uses less digits than its factorization.

1331350055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 1331350055 is about 36487.6699036812. The cubic root of 1331350055 is about 1100.0964254314.

Adding to 1331350055 its reverse (5500531331), we get a palindrome (6831881386).

The spelling of 1331350055 in words is "one billion, three hundred thirty-one million, three hundred fifty thousand, fifty-five".