1123341131 has 6 divisors (see below), whose sum is σ = 1234746996. Its totient is φ = 1021219100.

The previous prime is 1123341119. The next prime is 1123341139. The reversal of 1123341131 is 1311433211.

It is not a de Polignac number, because 1123341131 - 2⁶ = 1123341067 is a prime.

It is a super-2 number, since 2×1123341131² = 2523790593192718322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123341139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4641785 + ... + 4642026.

It is an arithmetic number, because the mean of its divisors is an integer number (205791166).

Almost surely, 2^1123341131 is an apocalyptic number.

1123341131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1123341131 is a deficient number, since it is larger than the sum of its proper divisors (111405865).

1123341131 is an equidigital number, since it uses as much as digits as its factorization.

1123341131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9283833 (or 9283822 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 1123341131 is about 33516.2815807482. The cubic root of 1123341131 is about 1039.5304620469.

Adding to 1123341131 its reverse (1311433211), we get a palindrome (2434774342).

The spelling of 1123341131 in words is "one billion, one hundred twenty-three million, three hundred forty-one thousand, one hundred thirty-one".