1121040331 has 2 divisors, whose sum is σ = 1121040332. Its totient is φ = 1121040330.

The previous prime is 1121040317. The next prime is 1121040353. The reversal of 1121040331 is 1330401211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121040331 - 2⁹ = 1121039819 is a prime.

It is a super-2 number, since 2×1121040331² = 2513462847457179122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1121041331) 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 as a sum of consecutive naturals, namely, 560520165 + 560520166.

It is an arithmetic number, because the mean of its divisors is an integer number (560520166).

Almost surely, 2^1121040331 is an apocalyptic number.

1121040331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121040331 is an equidigital number, since it uses as much as digits as its factorization.

1121040331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1121040331 is about 33481.9403708925. The cubic root of 1121040331 is about 1038.8202632804.

Adding to 1121040331 its reverse (1330401211), we get a palindrome (2451441542).

The spelling of 1121040331 in words is "one billion, one hundred twenty-one million, forty thousand, three hundred thirty-one".