1165313210 has 16 divisors (see below), whose sum is σ = 2097963936. Its totient is φ = 466036368.

The previous prime is 1165313197. The next prime is 1165313221. The reversal of 1165313210 is 123135611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77789 + ... + 91551.

It is an arithmetic number, because the mean of its divisors is an integer number (131122746).

Almost surely, 2^1165313210 is an apocalyptic number.

1165313210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1165313210 is a deficient number, since it is larger than the sum of its proper divisors (932650726).

1165313210 is a wasteful number, since it uses less digits than its factorization.

1165313210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22237.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1165313210 is about 34136.6842267963. The cubic root of 1165313210 is about 1052.3193507036.

Adding to 1165313210 its reverse (123135611), we get a palindrome (1288448821).

The spelling of 1165313210 in words is "one billion, one hundred sixty-five million, three hundred thirteen thousand, two hundred ten".