1131342004 has 48 divisors (see below), whose sum is σ = 2249311680. Its totient is φ = 493585920.

The previous prime is 1131341969. The next prime is 1131342077. The reversal of 1131342004 is 4002431311.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 584919 + ... + 586849.

It is an arithmetic number, because the mean of its divisors is an integer number (46860660).

Almost surely, 2^1131342004 is an apocalyptic number.

It is an amenable number.

1131342004 is a deficient number, since it is larger than the sum of its proper divisors (1117969676).

1131342004 is a wasteful number, since it uses less digits than its factorization.

1131342004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1131342004 is about 33635.4278105690. The cubic root of 1131342004 is about 1041.9926060756.

Adding to 1131342004 its reverse (4002431311), we get a palindrome (5133773315).

The spelling of 1131342004 in words is "one billion, one hundred thirty-one million, three hundred forty-two thousand, four".