1131013532 has 48 divisors (see below), whose sum is σ = 2289436800. Its totient is φ = 483485760.

The previous prime is 1131013531. The next prime is 1131013537. The reversal of 1131013532 is 2353101311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131013531) 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, 111338 + ... + 121070.

It is an arithmetic number, because the mean of its divisors is an integer number (47696600).

Almost surely, 2^1131013532 is an apocalyptic number.

It is an amenable number.

1131013532 is an abundant number, since it is smaller than the sum of its proper divisors (1158423268).

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

1131013532 is a wasteful number, since it uses less digits than its factorization.

1131013532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9906 (or 9904 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1131013532 is about 33630.5446283583. The cubic root of 1131013532 is about 1041.8917528341.

Adding to 1131013532 its reverse (2353101311), we get a palindrome (3484114843).

It can be divided in two parts, 11310 and 13532, that added together give a palindrome (24842).

The spelling of 1131013532 in words is "one billion, one hundred thirty-one million, thirteen thousand, five hundred thirty-two".