1331012303 has 8 divisors (see below), whose sum is σ = 1348684800. Its totient is φ = 1313360568.

The previous prime is 1331012273. The next prime is 1331012327. The reversal of 1331012303 is 3032101331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331012303 - 2¹² = 1331008207 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 (1331012383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156950 + ... + 165212.

It is an arithmetic number, because the mean of its divisors is an integer number (168585600).

Almost surely, 2^1331012303 is an apocalyptic number.

1331012303 is a deficient number, since it is larger than the sum of its proper divisors (17672497).

1331012303 is an equidigital number, since it uses as much as digits as its factorization.

1331012303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10381.

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

The square root of 1331012303 is about 36483.0413068867. The cubic root of 1331012303 is about 1100.0033892458.

Adding to 1331012303 its reverse (3032101331), we get a palindrome (4363113634).

The spelling of 1331012303 in words is "one billion, three hundred thirty-one million, twelve thousand, three hundred three".