1331503104 has 112 divisors (see below), whose sum is σ = 3760488288. Its totient is φ = 417595392.

The previous prime is 1331503093. The next prime is 1331503123. The reversal of 1331503104 is 4013051331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416199 + ... + 419385.

Almost surely, 2^1331503104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331503104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1880244144).

1331503104 is an abundant number, since it is smaller than the sum of its proper divisors (2428985184).

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

1331503104 is an equidigital number, since it uses as much as digits as its factorization.

1331503104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233 (or 3209 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1331503104 is about 36489.7671135347. The cubic root of 1331503104 is about 1100.1385786843.

Adding to 1331503104 its reverse (4013051331), we get a palindrome (5344554435).

The spelling of 1331503104 in words is "one billion, three hundred thirty-one million, five hundred three thousand, one hundred four".