1131344214 has 64 divisors (see below), whose sum is σ = 3038031360. Its totient is φ = 271249920.

The previous prime is 1131344209. The next prime is 1131344251. The reversal of 1131344214 is 4124431311.

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 31 ways as a sum of consecutive naturals, for example, 88179 + ... + 100190.

It is an arithmetic number, because the mean of its divisors is an integer number (47469240).

Almost surely, 2^1131344214 is an apocalyptic number.

1131344214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1131344214 is an abundant number, since it is smaller than the sum of its proper divisors (1906687146).

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

1131344214 is a wasteful number, since it uses less digits than its factorization.

1131344214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188405.

The product of its digits is 1152, while the sum is 24.

The square root of 1131344214 is about 33635.4606628183. The cubic root of 1131344214 is about 1041.9932845625.

Adding to 1131344214 its reverse (4124431311), we get a palindrome (5255775525).

The spelling of 1131344214 in words is "one billion, one hundred thirty-one million, three hundred forty-four thousand, two hundred fourteen".