1131234324 has 72 divisors (see below), whose sum is σ = 2912316960. Its totient is φ = 341499840.

The previous prime is 1131234311. The next prime is 1131234329. The reversal of 1131234324 is 4234321311.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1131234294 and 1131234303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131234329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 424107 + ... + 426765.

Almost surely, 2^1131234324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131234324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1456158480).

1131234324 is an abundant number, since it is smaller than the sum of its proper divisors (1781082636).

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

1131234324 is a wasteful number, since it uses less digits than its factorization.

1131234324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981 (or 2968 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1131234324 is about 33633.8270792962. The cubic root of 1131234324 is about 1041.9595464221.

Adding to 1131234324 its reverse (4234321311), we get a palindrome (5365555635).

The spelling of 1131234324 in words is "one billion, one hundred thirty-one million, two hundred thirty-four thousand, three hundred twenty-four".