1121130331 has 24 divisors (see below), whose sum is σ = 1262565360. Its totient is φ = 991727616.

The previous prime is 1121130323. The next prime is 1121130341. The reversal of 1121130331 is 1330311211.

It is not a de Polignac number, because 1121130331 - 2³ = 1121130323 is a prime.

It is a super-2 number, since 2×1121130331² = 2513866438176339122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121130301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 529531 + ... + 531643.

It is an arithmetic number, because the mean of its divisors is an integer number (52606890).

Almost surely, 2^1121130331 is an apocalyptic number.

1121130331 is a deficient number, since it is larger than the sum of its proper divisors (141435029).

1121130331 is a wasteful number, since it uses less digits than its factorization.

1121130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235 (or 2212 counting only the distinct ones).

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

The square root of 1121130331 is about 33483.2843520465. The cubic root of 1121130331 is about 1038.8480622570.

Adding to 1121130331 its reverse (1330311211), we get a palindrome (2451441542).

The spelling of 1121130331 in words is "one billion, one hundred twenty-one million, one hundred thirty thousand, three hundred thirty-one".