1331040004 has 24 divisors (see below), whose sum is σ = 2669354240. Its totient is φ = 568886976.

The previous prime is 1331039993. The next prime is 1331040013. The reversal of 1331040004 is 4000401331.

It is a self number, because there is not a number n which added to its sum of digits gives 1331040004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54489 + ... + 75040.

Almost surely, 2^1331040004 is an apocalyptic number.

1331040004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1331040004 is an abundant number, since it is smaller than the sum of its proper divisors (1338314236).

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

1331040004 is a wasteful number, since it uses less digits than its factorization.

1331040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129907 (or 129905 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1331040004 is about 36483.4209470548. The cubic root of 1331040004 is about 1100.0110202753.

Adding to 1331040004 its reverse (4000401331), we get a palindrome (5331441335).

The spelling of 1331040004 in words is "one billion, three hundred thirty-one million, forty thousand, four".