1320231110 has 32 divisors (see below), whose sum is σ = 2619201312. Its totient is φ = 475130880.

The previous prime is 1320231109. The next prime is 1320231179. The reversal of 1320231110 is 111320231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51197 + ... + 72536.

It is an arithmetic number, because the mean of its divisors is an integer number (81850041).

Almost surely, 2^1320231110 is an apocalyptic number.

1320231110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320231110 is a deficient number, since it is larger than the sum of its proper divisors (1298970202).

1320231110 is a wasteful number, since it uses less digits than its factorization.

1320231110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123848.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1320231110 is about 36334.9846566639. The cubic root of 1320231110 is about 1097.0253266315.

Adding to 1320231110 its reverse (111320231), we get a palindrome (1431551341).

The spelling of 1320231110 in words is "one billion, three hundred twenty million, two hundred thirty-one thousand, one hundred ten".