11131434 has 12 divisors (see below), whose sum is σ = 24118146. Its totient is φ = 3710472.

The previous prime is 11131427. The next prime is 11131469. The reversal of 11131434 is 43413111.

11131434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6734025 + 4397409 = 2595^2 + 2097^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 618413 = 11131434 / (1 + 1 + 1 + 3 + 1 + 4 + 3 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309189 + ... + 309224.

Almost surely, 2^11131434 is an apocalyptic number.

11131434 is an abundant number, since it is smaller than the sum of its proper divisors (12986712).

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

11131434 is a wasteful number, since it uses less digits than its factorization.

11131434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618421 (or 618418 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 11131434 is about 3336.3803739981. The cubic root of 11131434 is about 223.2802819461.

Adding to 11131434 its reverse (43413111), we get a palindrome (54544545).

The spelling of 11131434 in words is "eleven million, one hundred thirty-one thousand, four hundred thirty-four".