1131044002 has 32 divisors (see below), whose sum is σ = 1894109184. Its totient is φ = 502126800.

The previous prime is 1131043997. The next prime is 1131044003. The reversal of 1131044002 is 2004401311.

It is not an unprimeable number, because it can be changed into a prime (1131044003) 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, 713703 + ... + 715285.

It is an arithmetic number, because the mean of its divisors is an integer number (59190912).

Almost surely, 2^1131044002 is an apocalyptic number.

1131044002 is a deficient number, since it is larger than the sum of its proper divisors (763065182).

1131044002 is a wasteful number, since it uses less digits than its factorization.

1131044002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1131044002 is about 33630.9976361095. The cubic root of 1131044002 is about 1041.9011090902.

Adding to 1131044002 its reverse (2004401311), we get a palindrome (3135445313).

It can be divided in two parts, 11 and 31044002, that added together give a palindrome (31044013).

The spelling of 1131044002 in words is "one billion, one hundred thirty-one million, forty-four thousand, two".