1131344532 has 36 divisors (see below), whose sum is σ = 2877347200. Its totient is φ = 374799312.

The previous prime is 1131344521. The next prime is 1131344537. The reversal of 1131344532 is 2354431311.

It is a happy number.

1131344532 is a `hidden beast` number, since 113 + 13 + 4 + 4 + 532 = 666.

1131344532 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1131344496 and 1131344505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131344537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90532 + ... + 102267.

Almost surely, 2^1131344532 is an apocalyptic number.

1131344532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131344532 is an abundant number, since it is smaller than the sum of its proper divisors (1746002668).

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

1131344532 is a wasteful number, since it uses less digits than its factorization.

1131344532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192972 (or 192967 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1131344532 is about 33635.4653899719. The cubic root of 1131344532 is about 1041.9933821908.

Adding to 1131344532 its reverse (2354431311), we get a palindrome (3485775843).

The spelling of 1131344532 in words is "one billion, one hundred thirty-one million, three hundred forty-four thousand, five hundred thirty-two".