1331121130 has 16 divisors (see below), whose sum is σ = 2414310624. Its totient is φ = 528383440.

The previous prime is 1331121109. The next prime is 1331121157. The reversal of 1331121130 is 311211331.

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 7 ways as a sum of consecutive naturals, for example, 506752 + ... + 509371.

It is an arithmetic number, because the mean of its divisors is an integer number (150894414).

Almost surely, 2^1331121130 is an apocalyptic number.

1331121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331121130 is a deficient number, since it is larger than the sum of its proper divisors (1083189494).

1331121130 is a wasteful number, since it uses less digits than its factorization.

1331121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016261.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1331121130 is about 36484.5327501943. The cubic root of 1331121130 is about 1100.0333681338.

Adding to 1331121130 its reverse (311211331), we get a palindrome (1642332461).

The spelling of 1331121130 in words is "one billion, three hundred thirty-one million, one hundred twenty-one thousand, one hundred thirty".