11531234 has 32 divisors (see below), whose sum is σ = 21216384. Its totient is φ = 4625280.

The previous prime is 11531231. The next prime is 11531239. The reversal of 11531234 is 43213511.

It is not an unprimeable number, because it can be changed into a prime (11531231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5702 + ... + 7454.

It is an arithmetic number, because the mean of its divisors is an integer number (663012).

Almost surely, 2^11531234 is an apocalyptic number.

11531234 is a deficient number, since it is larger than the sum of its proper divisors (9685150).

11531234 is a wasteful number, since it uses less digits than its factorization.

11531234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802.

The product of its digits is 360, while the sum is 20.

The square root of 11531234 is about 3395.7670709282. The cubic root of 11531234 is about 225.9220369608.

Adding to 11531234 its reverse (43213511), we get a palindrome (54744745).

The spelling of 11531234 in words is "eleven million, five hundred thirty-one thousand, two hundred thirty-four".