1332131305 has 16 divisors (see below), whose sum is σ = 1695444480. Its totient is φ = 1001325312.

The previous prime is 1332131267. The next prime is 1332131329. The reversal of 1332131305 is 5031312331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1332131305 - 2¹³ = 1332123113 is a prime.

It is a super-2 number, since 2×1332131305² = 3549147627522006050, which contains 22 as substring.

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, 38686 + ... + 64504.

It is an arithmetic number, because the mean of its divisors is an integer number (105965280).

Almost surely, 2^1332131305 is an apocalyptic number.

It is an amenable number.

1332131305 is a deficient number, since it is larger than the sum of its proper divisors (363313175).

1332131305 is a wasteful number, since it uses less digits than its factorization.

1332131305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26448.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 1332131305 is about 36498.3740048786. The cubic root of 1332131305 is about 1100.3115660131.

Adding to 1332131305 its reverse (5031312331), we get a palindrome (6363443636).

The spelling of 1332131305 in words is "one billion, three hundred thirty-two million, one hundred thirty-one thousand, three hundred five".