1131341244 has 48 divisors (see below), whose sum is σ = 3031351680. Its totient is φ = 324786240.

The previous prime is 1131341221. The next prime is 1131341251. The reversal of 1131341244 is 4421431311.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223039 + ... + 228054.

It is an arithmetic number, because the mean of its divisors is an integer number (63153160).

Almost surely, 2^1131341244 is an apocalyptic number.

It is an amenable number.

1131341244 is an abundant number, since it is smaller than the sum of its proper divisors (1900010436).

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

1131341244 is a wasteful number, since it uses less digits than its factorization.

1131341244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451130 (or 451128 counting only the distinct ones).

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

The square root of 1131341244 is about 33635.4165129555. The cubic root of 1131341244 is about 1041.9923727496.

Adding to 1131341244 its reverse (4421431311), we get a palindrome (5552772555).

The spelling of 1131341244 in words is "one billion, one hundred thirty-one million, three hundred forty-one thousand, two hundred forty-four".