11231534 has 16 divisors (see below), whose sum is σ = 17139600. Its totient is φ = 5519424.

The previous prime is 11231513. The next prime is 11231537. The reversal of 11231534 is 43513211.

11231534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11231534² = 252294711986312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48932 + ... + 49160.

It is an arithmetic number, because the mean of its divisors is an integer number (1071225).

Almost surely, 2^11231534 is an apocalyptic number.

11231534 is a deficient number, since it is larger than the sum of its proper divisors (5908066).

11231534 is a wasteful number, since it uses less digits than its factorization.

11231534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

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

The square root of 11231534 is about 3351.3480869644. The cubic root of 11231534 is about 223.9475722327.

Adding to 11231534 its reverse (43513211), we get a palindrome (54744745).

The spelling of 11231534 in words is "eleven million, two hundred thirty-one thousand, five hundred thirty-four".