1325311103 has 12 divisors (see below), whose sum is σ = 1364868792. Its totient is φ = 1286871840.

The previous prime is 1325311093. The next prime is 1325311111. The reversal of 1325311103 is 3011135231.

It is not a de Polignac number, because 1325311103 - 2⁴ = 1325311087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325311133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1328801 + ... + 1329797.

It is an arithmetic number, because the mean of its divisors is an integer number (113739066).

Almost surely, 2^1325311103 is an apocalyptic number.

1325311103 is a deficient number, since it is larger than the sum of its proper divisors (39557689).

1325311103 is an frugal number, since it uses more digits than its factorization.

1325311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1325311103 is about 36404.8225239459. The cubic root of 1325311103 is about 1098.4305726248.

Adding to 1325311103 its reverse (3011135231), we get a palindrome (4336446334).

The spelling of 1325311103 in words is "one billion, three hundred twenty-five million, three hundred eleven thousand, one hundred three".