1131213004 has 12 divisors (see below), whose sum is σ = 1979959464. Its totient is φ = 565510304.

The previous prime is 1131212939. The next prime is 1131213011. The reversal of 1131213004 is 4003121311.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6807 + ... + 48049.

It is an arithmetic number, because the mean of its divisors is an integer number (164996622).

Almost surely, 2^1131213004 is an apocalyptic number.

It is an amenable number.

1131213004 is a deficient number, since it is larger than the sum of its proper divisors (848746460).

1131213004 is a wasteful number, since it uses less digits than its factorization.

1131213004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48104 (or 48102 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1131213004 is about 33633.5101349829. The cubic root of 1131213004 is about 1041.9530005584.

Adding to 1131213004 its reverse (4003121311), we get a palindrome (5134334315).

The spelling of 1131213004 in words is "one billion, one hundred thirty-one million, two hundred thirteen thousand, four".