1331302103 has 4 divisors (see below), whose sum is σ = 1363772928. Its totient is φ = 1298831280.

The previous prime is 1331302097. The next prime is 1331302111. The reversal of 1331302103 is 3012031331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1331302103 - 2⁶ = 1331302039 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 (1331302153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16235351 + ... + 16235432.

It is an arithmetic number, because the mean of its divisors is an integer number (340943232).

Almost surely, 2^1331302103 is an apocalyptic number.

1331302103 is a deficient number, since it is larger than the sum of its proper divisors (32470825).

1331302103 is an equidigital number, since it uses as much as digits as its factorization.

1331302103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32470824.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1331302103 is about 36487.0127990769. The cubic root of 1331302103 is about 1100.0832176712.

Adding to 1331302103 its reverse (3012031331), we get a palindrome (4343333434).

The spelling of 1331302103 in words is "one billion, three hundred thirty-one million, three hundred two thousand, one hundred three".