1131331004 has 12 divisors (see below), whose sum is σ = 2017184904. Its totient is φ = 554992464.

The previous prime is 1131330973. The next prime is 1131331021. The reversal of 1131331004 is 4001331311.

It is a super-2 number, since 2×1131331004² = 2559819681223296032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668022 + ... + 2668445.

It is an arithmetic number, because the mean of its divisors is an integer number (168098742).

Almost surely, 2^1131331004 is an apocalyptic number.

It is an amenable number.

1131331004 is a deficient number, since it is larger than the sum of its proper divisors (885853900).

1131331004 is a wasteful number, since it uses less digits than its factorization.

1131331004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336524 (or 5336522 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1131331004 is about 33635.2642921087. The cubic root of 1131331004 is about 1041.9892289783.

Adding to 1131331004 its reverse (4001331311), we get a palindrome (5132662315).

The spelling of 1131331004 in words is "one billion, one hundred thirty-one million, three hundred thirty-one thousand, four".