1131865330 has 16 divisors (see below), whose sum is σ = 2048742720. Its totient is φ = 450216112.

The previous prime is 1131865313. The next prime is 1131865349. The reversal of 1131865330 is 335681311.

It is a super-2 number, since 2×1131865330² = 2562238250512017800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131865292 and 1131865301.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 314374 + ... + 317953.

It is an arithmetic number, because the mean of its divisors is an integer number (128046420).

Almost surely, 2^1131865330 is an apocalyptic number.

1131865330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131865330 is a deficient number, since it is larger than the sum of its proper divisors (916877390).

1131865330 is a wasteful number, since it uses less digits than its factorization.

1131865330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632513.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1131865330 is about 33643.2062978545. The cubic root of 1131865330 is about 1042.1532464955.

The spelling of 1131865330 in words is "one billion, one hundred thirty-one million, eight hundred sixty-five thousand, three hundred thirty".