1131382110 has 16 divisors (see below), whose sum is σ = 2715317136. Its totient is φ = 301701888.

The previous prime is 1131382099. The next prime is 1131382207. The reversal of 1131382110 is 112831311.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 18856339 + ... + 18856398.

It is an arithmetic number, because the mean of its divisors is an integer number (169707321).

Almost surely, 2^1131382110 is an apocalyptic number.

1131382110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131382110 is an abundant number, since it is smaller than the sum of its proper divisors (1583935026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131382110 is a wasteful number, since it uses less digits than its factorization.

1131382110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37712747.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1131382110 is about 33636.0239921427. The cubic root of 1131382110 is about 1042.0049187866.

The spelling of 1131382110 in words is "one billion, one hundred thirty-one million, three hundred eighty-two thousand, one hundred ten".