1131352044 has 24 divisors (see below), whose sum is σ = 2642618160. Its totient is φ = 376717824.

The previous prime is 1131352043. The next prime is 1131352063. The reversal of 1131352044 is 4402531311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1131352043) 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, 38029 + ... + 60900.

It is an arithmetic number, because the mean of its divisors is an integer number (110109090).

Almost surely, 2^1131352044 is an apocalyptic number.

It is an amenable number.

1131352044 is an abundant number, since it is smaller than the sum of its proper divisors (1511266116).

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

1131352044 is a wasteful number, since it uses less digits than its factorization.

1131352044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99889 (or 99887 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1131352044 is about 33635.5770576335. The cubic root of 1131352044 is about 1041.9956884252.

Adding to 1131352044 its reverse (4402531311), we get a palindrome (5533883355).

The spelling of 1131352044 in words is "one billion, one hundred thirty-one million, three hundred fifty-two thousand, forty-four".