1331353005 has 16 divisors (see below), whose sum is σ = 2149018560. Its totient is φ = 703770368.

The previous prime is 1331352983. The next prime is 1331353019. The reversal of 1331353005 is 5003531331.

It is a cyclic number.

It is not a de Polignac number, because 1331353005 - 2⁶ = 1331352941 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391035 + ... + 394424.

It is an arithmetic number, because the mean of its divisors is an integer number (134313660).

Almost surely, 2^1331353005 is an apocalyptic number.

1331353005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1331353005 is a deficient number, since it is larger than the sum of its proper divisors (817665555).

1331353005 is a wasteful number, since it uses less digits than its factorization.

1331353005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785580.

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 1331353005 is about 36487.7103282735. The cubic root of 1331353005 is about 1100.0972379606.

Adding to 1331353005 its reverse (5003531331), we get a palindrome (6334884336).

The spelling of 1331353005 in words is "one billion, three hundred thirty-one million, three hundred fifty-three thousand, five".